{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x2244abeba917453889b573516d94fc92c305abc79a1fe7f203afa6c9b123f97f",
    "signature": "0x2ca7fe51d5ac5d5d4b43dc59bc09424fd47aa5ed31e013bb982ca9c447f6b37571ec440e7913457534714a6d984996291f1581bac74025c133e64d991e6062c31b",
    "signer": "0x45476b43Ea7F36e200122F8cd58A0700b6b12fDF",
    "userId": "302150879"
  }
}