{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x5bb702720afeac2dd99e91e8316175bf1d69aa7c364b6d0d07d17cb0b85619a2",
    "signature": "0x17c19bf3d93ab31c4ffe961c0f05cab218cfa18a94f72929b4771e69cfeaf5157353ffb451f4be2ceaf31e4915b43278d3434695d2d7ee926c4bf452605ac0801c",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}