{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1470920",
    "entityType": "User",
    "nonce": "0x0cbdf0100fa9b3d5a58238158b757ec2e1260360f7370bb4a9b0ddfe8f443a3e",
    "signature": "0x28273f66ff2b766e5c98294af54c086c7685c45c02e103f2f8c75ec3319fafc950cd09746f341cd150e34748952f2e06144a168b93037d205703e68189e2f1391b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}