{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "707937",
    "entityType": "User",
    "nonce": "0x404b57d64bd798d5e36b93d52830636b9957f810e74afa189932c994db7c66db",
    "signature": "0x2f24b21265580cb97df685b0156aefa9799245a2eafb6a5b5ac6d716f960a735625cf2fa539b36878ce3b2373373168a63c3e7a43c0df918cbbe8cfc08e3105a1c",
    "signer": "0x96C8508FdF955f401b16FF7fA98270FDAc374Cd8",
    "userId": "569202441"
  }
}