{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "763693139",
    "entityType": "User",
    "nonce": "0xa420de84bb5da2b85f46d786af9e4a64eeb044c9bd655194e3247fef6bf09f03",
    "signature": "0xaa5d61779a10a55926dff55cc5f3ca7760de48f72fd450f2b95b94eec0cd555a164eefab1c4d7f0400e1ff1663770396d44d8adbfa2f2e8e9df7c21a698740d91b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}