{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0x62ee95b55c56947c463a3a305c05997718c01a99cdd1336e17e3dcfb3d21e3ac",
    "signature": "0x98961f725d882be0bda94cd22f8f92ba155794efced86bcb3882d00c84c3189b45431a0a257203d86fbd9dad6c15c52b94992ff2d2f706f993a31e36854fa7c51b",
    "signer": "0xFCdf899365d2fD042C4A0A2DB1715E79DF054F23",
    "userId": "672425286"
  }
}