{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "35690",
    "entityType": "User",
    "nonce": "0x5f5052b66baa183b6a4ce386f88bc9d9852b56d7d2d6659be0d140c6bcb6cd21",
    "signature": "0xe819aaf074c51a08e322a524885a693a64ab485db48b56d4246d3ef371e768e42c0a60be82213fc519fe2af0a4c843d7e6cc2ae97da20e38634ee561dc6d274f1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}