{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xe47ab84d50f72c1322cd0cde1f7af6170f4c4b037c2a59de8305138a8c7564cc",
    "signature": "0x649af6a42e5152279b90ac56cad6f0835c519095675daed6c31f2c9ae3e0fe35223f2d4667bbf9a6e4c6e6849585e13f6750b37d5b873933171afa8920d1a9401c",
    "signer": "0x4599fa15d632f4Ad7DBa46f9bE98593924A6C534",
    "userId": "354005"
  }
}