{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "386245473",
    "entityType": "User",
    "nonce": "0x6240450c4164eacfd5c8c6ea3fef78ca67185a6c60ed3ff9c7a92d1afb3ef1b4",
    "signature": "0x27b7842ae0e3a765193c08fc03f5b1f138c70a8fe98858cf2f8e12cff21457e206dd5dd5c9b1007ebbe7206c2da13f6972ccade630123de704211c7c5788931b1b",
    "signer": "0x742Fff9be20F80Ce7285c8Ab12B9018Ef3Cf14F0",
    "userId": "111467392"
  }
}