{
  "manageEntity": {
    "action": "Update",
    "entityId": "547925274",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xb32f12b41ea0c62775af1eaa79652c31ef5c4db71d5fda5f9db8f6a8e6dd53a4",
    "signature": "0xc329dcbbc4b7858acdc01f58b297a65ffc9c855e34fa7df4c86d4c607d458b4856c8895ff97c6f9c08d71c8a635900e70e851c3f39f476213fe1f880e01585251c",
    "signer": "0x129cD5f15608Aa6d10d553f85023e9f6f6f30d9c",
    "userId": "547925274"
  }
}