{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "823613833",
    "entityType": "User",
    "nonce": "0xaca4bbe8a40cc343113586744f402c33490f426e5f911e018967a35b667d4488",
    "signature": "0x20ec1b131fd7049febe2ec788445d99a80f1239a19b13917fd9be33834831a7262fe496cb62902a5f55509c0a7e57779ec04acd1289c71c0a2b3209f63de66be1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}