{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x84223af4b999ac592b79770642e0da1f3780f801e4ffe4be1262a64f555064a1",
    "signature": "0xbe9802b8453d404388d41683947facaef2da8b6989e0ba212fdfa50d864d80a6629704d434cc377c5ae49b2b5e841be0ce90d94dc39bc254340664d53fbea6361c",
    "signer": "0xba39E57aa62E649F2b3250E2Cf1456c117127a40",
    "userId": "555663956"
  }
}