{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "951116729",
    "entityType": "User",
    "nonce": "0x3cba6dead5a74d0092301f82a0686b22b42381501f4ca53dc6fc85eaa534b7f7",
    "signature": "0x9aafd4101cc661266f46fd8b4ee8155695d414a23ea9ee3f69c16171ee681a517994f4fe8f89d064a21e5bc6b5cce052ee0184861e285843f723925e27da145c1b",
    "signer": "0x4a4E686a6442e2Fc2495a7d4363B25c583Ea3c3a",
    "userId": "34815"
  }
}