{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xec477c3009d2ce1af9f6222423544634c5b7715f1be516185658f6f43c8c64b0",
    "signature": "0x6b950810ea0ae830a142bd9330ec5f35ef16badb12c696939a90b94432d6d24f2809b7cf8a3016d7772bb59e07d862f207e43c72aa3922db5a43b3ec54f20cb61c",
    "signer": "0x4391C746E11181B87164C3C6DcB2EA773D749ECD",
    "userId": "729432364"
  }
}