{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "217745410",
    "entityType": "User",
    "nonce": "0x9e4f8f96fd99f260c5616b6feca82d0cbc209e6367ad6851441b7528049b694f",
    "signature": "0x600ab3efb1be871d9dfd446b7bf6d3ae575dfc38bb8078ce1080f35aebed588506456af97b42a327d6fc91f47e73a08258201ae811de29cf49101fbd1df0cf321b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}