{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "20545",
    "entityType": "User",
    "nonce": "0xdcce9febddabb77b875a643b6153e98ae29e6ef65a3ebb150363065b9a4897c4",
    "signature": "0x8ea79d84184cab6dbf382bb60e8a43cdae7f3042d4f58860044dafaa450733860a214747b8088eb286d8d80d0f29c8c15228d7d2b7bd89b27cebf86a0a4bfc7a1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}