{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "781543844",
    "entityType": "User",
    "nonce": "0xe417c0166cb95a6de9a223ea5a6eb68651b7c585ccc7fc88d54fc08330ff764f",
    "signature": "0x47a0c87111f974f617e46585e3734dd24dc1420477c7378c203c7502ffaf947338dafd371d9f8c9549944c0db3066096f7092974993f7c6a4f0ba5041217914a1b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}