{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x3792ba43cb8e87db8a41439fd05affc14b0cef3f91dbcf2de2760cb68f12bc9a",
    "signature": "0xde06bffc93da7d39bc1077bcc6cae30ef6d597095eeda3ad738982bfa603594c3c4f33bc6f829e336f320f7ac88f9351027c18f73d6704b63b66afe9254902491b",
    "signer": "0x5baBd4313916Cb1Ffba38272d4Ab396C49afC054",
    "userId": "351034941"
  }
}