{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0x9f71e077afa49691ced7950d3d14a8cedb9d8a344e7aeb45f8b28ca78c62475f",
    "signature": "0x1cd720f12fa5920eac176e0b99956f1aa9e24e264f3884c40b52e7bcaab043a0700640739340c1f2e982f9c404ba7867ab0b9871225c9aab68697a9480cdd0571c",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}