{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "13154",
    "entityType": "User",
    "nonce": "0x922db21b7e88efba5d6e51d88678b2b39c3052eacd4c4a288e6624e7d14bf799",
    "signature": "0x522eb0e5c6c2128c6026f087e049667aadc5aa7f3cc41cb6f4a04686763fe6ec29b5b533c259d7073a532adc1a973e77eb9233df5b822a0bb7f3677ca3432b0f1b",
    "signer": "0x243f92B83d056f818b9b95664A8B7A86805A3E71",
    "userId": "111448"
  }
}