{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "69623",
    "entityType": "User",
    "nonce": "0xf9fed978394a7ec6ce03010f2b349249cb4e456214f9987690c30d8a056a9b87",
    "signature": "0x9c9a72c9ba6a6a287fc293a0ef9ba05c17d7c0a5f0d04f5ec6050edfdb3eec1e688e883fd1ba0f388adcb4a027f307f8ee1f35b1abf02f278c527874e77f26a61b",
    "signer": "0x3fB3464202dCA960F65e2706E5749EaFc41e4b48",
    "userId": "826685732"
  }
}