{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "40790",
    "entityType": "User",
    "nonce": "0x99a56553edc27c0839a5c17bf889c9c45128cec0ba187dd322e6264e7be71a7a",
    "signature": "0x312012d6245e75465d94ddc1a69f591174f76a6c33f91efff33eda930ddb591f13f30ba38065df0ee135bb90defd16adf88bb43ba6b2761b65a97ac42b1be4771b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}