{
  "manageEntity": {
    "action": "Update",
    "entityId": "611142471",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x6928bef50fa6e4a0f5840bc6b488497b04f7529a7b608a706edc968c336852cb",
    "signature": "0xd3e2cd5c47b6e0387d15548afc6558cb1664429555bc0350a3d69befdd5dedee1e76059d1b2a5a4fc4954018ac70845b0438b246fd2b243c7117d372d10c2f6e1c",
    "signer": "0xb4069BdA5a7607EE958950229A03ff89Daa817d8",
    "userId": "611142471"
  }
}