{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "582447217",
    "entityType": "User",
    "nonce": "0xd3bfd59968b8360f4c3484d9faddeeab8ae27d9d7a58ea5b978f4c5eb8879240",
    "signature": "0xe958c998513d5602461d97a58d97d948ae2212d472374b06b9eb5d98c666b0f669577b6fb71356a39ed06bc40f19c0fc49a8f4ba428e028406ca3e2f378f05801c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}