{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "66255",
    "entityType": "User",
    "nonce": "0x786eecaedeb63c09cdf9185bd7ec28ef991903fa465b996da9dd2e98c4b69d21",
    "signature": "0x45be6aed6e8aa7ffb7edd8c395b560250ab1674b3c01a199dee62f4f65d9b45951e5a93defa417db2dae64b7a090a394ddfcf903ca522b3a76b9bf508f70709f1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}