{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "296466",
    "entityType": "User",
    "nonce": "0xaea5f95611032e9093d0a5204d11174ba2b6c666ab46becd41f1fd9696207026",
    "signature": "0x0acc97f1373f02c722cc3710f266edbd4cb6688456062cfc5565aa32d6f9cf7f7c8109abb8aa506bcde3512a006ca2e45e4a7b22f660969233f5f63d3556718b1c",
    "signer": "0x9837C03EAdfA74365Cdf4e01e6840D356104bFab",
    "userId": "911622928"
  }
}