{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "695067567",
    "entityType": "User",
    "nonce": "0x75309f053ba71043ee440fee5d5692533b086d68e9fd9a25c40bad3278ff7bec",
    "signature": "0x6daf6cc49ce43614dd03eca02f4853938526676d11a63adc8967cc19de1ebe2f437df8d4c6105d19c2d1bb723e775712ae2291253a2d50a871e3309b224b770e1b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}