{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x0c06897440c5c8b1a0ff2789b941f903711a486311a66e47a4c48e9323e9ed6f",
    "signature": "0x6c83e6bd8bd7d8b36a499f86dc4d46d3ff3827eec6061b57882a0e2885cedc6f118d8b97c5c5dfe235be99005559c8fa1630df6c7abaaf43b5c45c8e8a5d61691c",
    "signer": "0x789F486f6C0BEcF3D1E3B3D82c61D526Fc7Edca6",
    "userId": "57299423"
  }
}