{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1087",
    "entityType": "User",
    "nonce": "0xaedbd85cf4829bd688be7b29e95c53d2484be4acb00315e9baf844a0dec6649e",
    "signature": "0x29b95b05775de5d9ca642992f830a7b4db44131319a6bf4193b0fb5a808264c33316a1d6714375869c79afede8603322ccacd47bf4a001947559390c074378821b",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}