{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67824",
    "entityType": "User",
    "nonce": "0xcf5f16502ceca116b3bc5666f1609fcfe825b37217e6ec6e4418392a71fa2684",
    "signature": "0xd8e4e4074136fdb25f818ee31eb6b770743687747938009ad5603f9f6c95ef6c0ef7e3ca0858432f0c449af0fdf94a61f2a6f216379fbd8941eee04941e7e70d1b",
    "signer": "0xD7Db519a2A03374B0548c02822bE88402aef1E5b",
    "userId": "715241773"
  }
}