{
  "manageEntity": {
    "action": "Update",
    "entityId": "224019652",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xf3b94aa15ce79a0308db87a5cef6f17b10b07b7faaa75312508d97fec2e97f26",
    "signature": "0x4a609a54827f0f1a7df643137133a5de55e1e3ad7bbcb8a07e1c566ba99887e534db0d9f5f05b523a9a85479bdf2f46099e76054eb91a9896343a15bb95c50cc1b",
    "signer": "0x7964a5eF7E9a780013d3886B40ca04443D69588D",
    "userId": "224019652"
  }
}