{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "125784",
    "entityType": "User",
    "nonce": "0xe2e16d23c8f16aea29760b8a43d3b7f42e0da34c89a0f316a93ce61e478e1c51",
    "signature": "0x8a35a7e3a2a8f5b4762b8ca0dec87814a4f2b4b56cc010ba2d019d3c9486a96102d41f8a2712aaf32f1df2151b88b01e48ea74dce23a4141f4f881c9b842c7c81c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}