{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x2d876ad8d321cd58d6c8edf0aac73bedf59256b47d01e38f8568e55df25cc8f6",
    "signature": "0xabbd07997f3b8759f7b3554eca57a0adfd8158340fab5751e5d9e7ef042ad8162385118a23a0894e03a3a00248874cc32ac625fbbe268ee708d7f055ff3014eb1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}