{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1692937",
    "entityType": "User",
    "nonce": "0x1382b0790dc363999a67c5640ae4558ae94129bb01263a4293cea830dd470779",
    "signature": "0x13005120352f32d2c03b2db2f78cb9ecee690cd0b21cacfae1d56e4dbc7cf9f03daee4e9008faf2310fcfe4dd1505653dc8807558bd0ef08e3f29fa5d8c7447e1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}