{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "951546743",
    "entityType": "User",
    "nonce": "0xc8a4ebedb40112a8656b838512833711649c87020eb89b936b45962cb8f5b83c",
    "signature": "0x44395377c43ad18ddeb13b52d520a09d91d1d03ec247aef0c88101059a4ef9c652802be792e0588a4b57c365a32646c545e22372554fbb0015c52779ee123fa41b",
    "signer": "0x65b2681094e762CAD2349e6C1e2FbC8d54b9c046",
    "userId": "11153747"
  }
}