{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xda8a22c81d92984591ef27e5915278add7662e8d60d974ddee07fa1eb7b60124",
    "signature": "0xce36f6a087c3453b008031612ae308e377b4318175e46b9b60d5c0cf6469c6955c87833f4755800b84d19063894c8a75ebbd5264322da7d6fec80d74b344d1d81b",
    "signer": "0x8CB22Fd2b9EE80E52B7B22Bbb5974F28a3b1B9AA",
    "userId": "392444636"
  }
}