{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3546",
    "entityType": "User",
    "nonce": "0x9d28fac788670acd9861e1fc5559628a04dc6b5ee468734b390edbc605262b9e",
    "signature": "0xa32d92153df43a164ebbd91c12a4fa0f8446e98c85104972bd5aa228dce64bff6c29983fbde8e170ca8e647876e8d1fbc004853c4589d1c0f1041512c35dcd7f1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}