{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "33982",
    "entityType": "User",
    "nonce": "0x74e99a3bebf55ba05d9b24f9a3707f54015847ab9ea2218072709a8d30e0517b",
    "signature": "0x5c10f58d34209ad892ec25ea142edaec0cb73718a4d9b6c096b47703086c86f06a43475b1aedc75be6e429e9997db79b036f99553d8896ad2148489dc30890a31b",
    "signer": "0x4950A7c498b6c214e83B79502162b7f248f9e6ed",
    "userId": "499895630"
  }
}