{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "217405",
    "entityType": "User",
    "nonce": "0x33c6066dae0e91bcb7c712fe4b0cd723e7e88d36accfa5325dfe8518bd46b3ee",
    "signature": "0x538b50f6c41e5322306a457fcbe5af91e0cca41835d9f047d15040700e12afbb18fc9eafb9e7fa58bce1a1b415c2aae2a3e03b3f8a2d444dcfb61bb2e81b85c51c",
    "signer": "0xaF260D56498a2d61b204aBc5CAdCbEc98465d11b",
    "userId": "219894195"
  }
}