{
  "manageEntity": {
    "action": "Update",
    "entityId": "828936044",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x98a9090bb6596c45a13a9bb8fde0659bfdcd1012b47eb20b39a02bcac126f9ff",
    "signature": "0x7cbcaaa65cf637a51a104e5e73f9557dc705dea7e0463769c855ae63a146c183686f5f60260c6873098b7be15e992e86122490ee2c04c2dd5c7e3a070e16a03e1b",
    "signer": "0xC08E08ED53fC9A2e9ea50727c7833CF8d3B4Ab72",
    "userId": "828936044"
  }
}