{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17568",
    "entityType": "User",
    "nonce": "0x66995cd0414bdbe08a71e52851008ba6428a61776b7638ae554e3bb181809317",
    "signature": "0x1681cf0348cc855096cebc56e8d03009f14a5e6869a4a2e044fb0d07a124db703f6db778cf19c7f6a207a0de5c99982c5e79274d46f0f95158f03ed4233c85f71c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}