{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "210906",
    "entityType": "User",
    "nonce": "0xacf48e8c6a0fe90199f96f06be94a37d824d50fdc0cc2cc9f06d505a0e52942a",
    "signature": "0x62b639589c9f88b0b0b8fc31029f331485eefb06515be3c754f151b9246d2b73260fcae4746538d0850a6f4e45adc1f3f2b27ddd2a7603df4c97eac53ee8188d1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}