{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x8c6db8d46faf88ac74e435741802f36718f0958f46a4d35bf0b474a40dac3f4a",
    "signature": "0xba33dbe99617087059ec0de380f09812fc39eb63276ff70f55404bfab692290243a54828f2a518c89fb95f218e20d11496127cf3a183d7d3e3aca9357f671dd31c",
    "signer": "0xD3e2a2Aeb739263055A5ec4484257b4927578D03",
    "userId": "117667088"
  }
}