{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1581756864",
    "entityType": "Event",
    "nonce": "0xd7455c722c2a0bd1000bc821fdf005ef7c8eb4fe8d3b5de785d0233b76820750",
    "signature": "0x785effcf0cf72168c497b80a1e0b7bbaae2adf65e8e8d2ebcd3061df026870730e7e56ce07de8a1d2e9e535aa0163202b686827d3768ea43c66a5eef398467a61b",
    "signer": "0x49a23967237B6B74842Ef888C281C151B56c43Cd",
    "userId": "63791"
  }
}