{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "102629",
    "entityType": "User",
    "nonce": "0x1cdb7002bfcdb128fad6be1f79301256a8be24ebc77d42e484146da4bb62153a",
    "signature": "0x879a33c4587c3a10d687226a9dee5bd3baf12ef1216388dd1b28d616037ff04c1417551b539bc838131839e8f8285103c199dd1d0fc044f37941b5950118f7991b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}