{
  "manageEntity": {
    "action": "Update",
    "entityId": "790313179",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xb7f207792fb23c2ee4fd14ee3c8c4cddfe66b4fbe83dd112643d83617a0a4c4c",
    "signature": "0x90a99d654bbe4c24dbaf5adc13fbb27ca30727a0cdee03ef1acf6769e5bc6eb5585a1a94bdd60e75c6d6b9e1fe4a088850f373b7abebb2d55528bf4100e8a7a51c",
    "signer": "0x80BaBdd7604de656E45b52EFA056548D7C078B36",
    "userId": "790313179"
  }
}