{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "423966084",
    "entityType": "User",
    "nonce": "0xd02f61269598190c612856ee6389cf41b9ad70f69cc8ea0d4ebc6f524f9f7330",
    "signature": "0x2c751d849de580361157bc3161b5b6aa014188b907ebcdf7eae4e9c2a81dd4b1572bc4f13f093c8b0aea1c7c64717b948634193cf6efbba445ed0fda86a3fbe71b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}