{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "707937",
    "entityType": "User",
    "nonce": "0xa9538927737cf7b0942be96658ca11e9dcb26c57fad6750bb084c9eab490be9d",
    "signature": "0xd84b75da1745a4eeef13c91f78d748d7eb3b507ca91857b23318be4b9dc372711f02344dffd46931c8d6e257e6e03d2e56153c18b2e9e29744ab999589aa5ab71b",
    "signer": "0x775bA7FB8a4FF9354c099465ca493BA949FdAca6",
    "userId": "597677270"
  }
}