{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x7e1ea70b5255af29eed1f8c6a930ea3e51e6be93235f31e569e1e9b60e030704",
    "signature": "0x6f839fa27394c45979a850b7e93e99adf3f2107fd08f92d01bf5d5d90510eb99417a78bb0a3b680fd2194cd311e85bc37b40699f87f891ca3f10f883c49929981c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}