{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x992cced61a668ba40d13309bf6c53d626c0bd973c4cf9e9beed9f23b41983d77",
    "signature": "0x6571543431798e9c91b779323efa0af2f6f1ed169fbbf409739e7a758d2a9a397d700e44cc9d33a8caf46d640934735f1d7fd735f03d777ad72e298f461be0d11c",
    "signer": "0x061A60900C738C67bcf3F9Cb7Fe8f703DbEc8Ee0",
    "userId": "718327235"
  }
}