{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x3aee8585e39c28caf55595960cf4c96b7ee903a01b46c239f95ca79ef1c963a2",
    "signature": "0xeb5f4ced11eba6e803040c4a359d3c8933232f53c533e8c6786bae2a646a1abd0910645eb5f02d16c7091d79cdd505356047d92d6b4e768c2eb15ec87da304521b",
    "signer": "0xD04B9Af842d7EF33ca555a6aE50FC6Ee08E1Ff0c",
    "userId": "361863287"
  }
}