{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "597677270",
    "entityType": "User",
    "nonce": "0x92092c6a0c92593e1317788484d852bb04f0aac99c31e7d96fbb42cea9692396",
    "signature": "0x0ed37a4ab4cca56773543c532b14dd226c8f140a68afaec38a9bb21e42a812b93b6c0934bfb7ba68eb2c668a87f5af0a9084f1971ff99474ed602760e34f1c7e1b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}