{
  "manageEntity": {
    "action": "Update",
    "entityId": "142063001",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierazsxfitzm3lt64fku5ddz3cnxfhss3iywu7hkiiue5hqayyolhnqa\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1972733550}]}}}",
    "nonce": "0x216b9e9244360ac7e955c7626403174740832c99a0de7dae2c459307cd64a8e7",
    "signature": "0x32cbd9ce6a63fab3c2f39740bf7bd47f3563634157d4fe288b8c55088812e60f56029d6e1b4572e3a14d48cd4deb6de724f17f2591a6deee53f8c40a3b9aec051b",
    "signer": "0x0D6F44CaD964C85a5Bb15D8c0ebAEd9f6CFc051A",
    "userId": "142063001"
  }
}