{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "56534466",
    "entityType": "User",
    "nonce": "0xf525b345f856fbc506dca3fcdd8a5582992db78fa570ddddad8b1a60ea6a54a6",
    "signature": "0x2ef98a6c5f39388f6ca698386b18c85310ffc52f8a28e0a726c51e291a1bdfc12c052203fd21aca9b0493530e1869a9fc97f461fe565e2fee28d65cdd209261c1b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}