{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "5459",
    "entityType": "User",
    "nonce": "0x15e4eb8475cbf1397e1ebf3930cb9ae3e1e180a5d437a774134aabafdfdfddc0",
    "signature": "0x5109c2666d2661dfe3446a73155b0b38120294b52dc5fea45346f2587b30e1c922690ee7c4e9915b66870f369a0224d73d31310887243bfbd76138f4e307fd8b1c",
    "signer": "0x355325e20819Ca56f2C729fEb6E34FA039625A24",
    "userId": "39191"
  }
}