{
  "manageEntity": {
    "action": "Update",
    "entityId": "984182237",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x9b23e0f3ec59a445caee031a3af0e1668bd70d3d4adc5194b0ba38f5f87cb2b8",
    "signature": "0x6aee7df4a9ee4862a5a16764a1c4c60fab2cdbb9a83cd1d077959a57bee38fea42124640a253ac902205d45a454fbd68e47e3de20bf9aafd48c693d9092900ec1b",
    "signer": "0x1Bee724B6F8AFb699387B7d0555f0e4Ed4694EF3",
    "userId": "984182237"
  }
}