{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0xfcf97da047b6a671580781fc0cf9866a9e66175651058157b233df8e216d27d7",
    "signature": "0x88d58c5380c8a9df47aced8506d3dc1e9a45d432a2e47332129a22c1c359336658e68866e80d666d7e47261013be48445fdf0ac339983d00a03422a05b2935a41b",
    "signer": "0xCf3E6F9F4BF41C4e355E01484A92aaf61B6dd8a3",
    "userId": "149919577"
  }
}