{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "88849",
    "entityType": "User",
    "nonce": "0xb0f56b9e98ce78f0d44b2d982c72389418f46071e59f703163b9f78a0c13cc98",
    "signature": "0x04d1e3a6b21773365ffadc576f4f401b3b1bf5603c13514fb5a4933690e228251020655be25f385727e00a0558085deb3dd58fe1bd5b9ee89a4b1d7fd6752b101c",
    "signer": "0xE7A4a8f1d081B44C96Ed68610B6c3016ce8cD6E0",
    "userId": "464427506"
  }
}