{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67361",
    "entityType": "User",
    "nonce": "0x900bf5679249b662e921f653b8443a8eefdd9f43dc30c4a1d8eb2e48a9668b32",
    "signature": "0x8fb23ca60f8cf4432dc73cce8a71497c7c80b52cc6bb460d18b682b163665e0272824b7b6427e794f2bad1275121a64d0eab5b19f26e5317681886a08930ecae1b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}