{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "843",
    "entityType": "User",
    "nonce": "0x00c292e38896576d5af07062d24e6fd36a908d40c913c0e52c6d2208606283dd",
    "signature": "0x68bb7738c6ccde807154373f6173522cc3aeb773d3438e037ed8d436ee8194d5041401968bccb947d48f1bf045697fe79ced833e0aac1bfec1dff0927c5d11591b",
    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}