{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "325624",
    "entityType": "User",
    "nonce": "0x959fd7d9a322d7261e9510924c71199081f6b9626e93610fac18a0b47b1b40da",
    "signature": "0x763e69f8c1a5a709e5392572f606902b15b6a590f7772e24b52752e0454ad3bb12acef11c0872f119cdf3932478d92f4d261dbccdbc69d03c08ee801e67805801c",
    "signer": "0xa94e4C47a5C11B5C0b4EC90e5166c3AF602dA094",
    "userId": "458060869"
  }
}