{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x86239cb74adfeeda41bae7b11658252f8c1157e36850dcbfe88f467c7a9ea3af",
    "signature": "0x598ed278331eb4072b56bf02699ee3aa11cb1c67e1b12341dbb5faa82972965a5505f7760481664f91af392fd3053ab7c38d34d28b1029a8d2aece65656eadd81b",
    "signer": "0x14FF2Ce3bf23AEeC9C140996251F6f85D8e99431",
    "userId": "53273933"
  }
}