{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "834064217",
    "entityType": "User",
    "nonce": "0xfe0a06ba156d0d9ce861226b41d1467711b31a926d261f67e0f176af3df2e0a0",
    "signature": "0x0108bedcac4451a42b5dc120c07b15d70342753d27885d01d0778365c3f96a08116b5de028d8f7ff84724970aebfcac17ff2326427dc853feee8d9c00f93b3d01c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}