{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "148833795",
    "entityType": "User",
    "nonce": "0xc8a619018be965a8c8df14b34e0b41cf8438d8ea36b6499fe866dff42dfde9e3",
    "signature": "0xaaecec135d7d64e020585a9f7c6c285b872504bd05032045bed5f37d0ac39efd53f764addfcb02a163d6b5063c19855d319d7231e318ce506b39d10d21b636471c",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}