{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "954117045",
    "entityType": "User",
    "nonce": "0xb3169a37b1c21eab6719e556acbd1aeb329016ac5831cc540339bbc16f0063af",
    "signature": "0xad8efb41e9c6c9f1c75885fbdffcd2ee000d739c806102e39eb1a81290e3b8947dd27f74298f9bfab4910e8a72bf735ea2307d604fa2f15eba42c0ff066f09d91c",
    "signer": "0x6Af6D40d1d0B48D79D2bd3E3c8f0a45540130c0F",
    "userId": "89433"
  }
}