{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67558",
    "entityType": "User",
    "nonce": "0xb41c2256f5479f2829e90bf0614fabbc8206bda8e9e9bc4ec8baece4384cd75c",
    "signature": "0xe149bf00c0435b3d17bff8caa717f5793d648eab968e6b2f9296100d690df5a26a5c29d2f7c764fcd5783284a2e87a2994eae1c38a374f4a3b44daf330524b521b",
    "signer": "0x80005E1c5cb88Fd03a994eC8a06eFD4c801102D7",
    "userId": "225974748"
  }
}