{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "846471257",
    "entityType": "User",
    "nonce": "0xd1f2034600ff40607e64a142b2224aec1bb20221dafff6a0cc41c0e1cf5c0581",
    "signature": "0x90fe12b98b92784f49f01fe5c73dba4dc81d69bf2748e36e20187e418b633496373c3f55b8d2233999e7b8b054d2dedd69475ca817b1580f9825513f6130505e1b",
    "signer": "0xFEa2c41d314209186e519b7539c0FcBDa1F9f00C",
    "userId": "51657002"
  }
}