{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7599",
    "entityType": "User",
    "nonce": "0xeac79609bcb14121838f7d5d73ff1cec484d3a1bfcc507483e685122333a6a77",
    "signature": "0x473c98611f445ca402f527b257fa82260780c0e1a004e0dc30d194cddee34e2655a2df6eabfcdf95ff04a8766e012bf72bd27de482998c0530be667192dc31911c",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}