{
  "manageEntity": {
    "action": "Update",
    "entityId": "71569007",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xd4bee4af522701458d17a6045947bc25b7d078ef39a324055830591e98f56656",
    "signature": "0x30ace700fa8dcb0856422a766de79a5262ee0f52b0a6070e49f28a5a8b1815c66751d555daf7ffac8d8e36bbaf508b83a458b27e8a82d7a72216940c1df042f81b",
    "signer": "0x568426a5D555ADe94657d547B2Df4a4dc1f0C014",
    "userId": "71569007"
  }
}