{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "446645802",
    "entityType": "User",
    "nonce": "0x5a246a00eafff8e177fcf8d1d7ca0bb92ec4c433bbff2ec5b36d644c2fc50038",
    "signature": "0xfab74843f1ed2878848699f849a66d078d5ef479cbc5e47650d9fe391dd17d6a46f009588616600966492af081398d9ccbc29f4ec6bc274d1898fb34fe3e27731b",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}