{
  "manageEntity": {
    "action": "Update",
    "entityId": "279583906",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierafahpkatnnbncxhmzj6zg3n2mtxrmwexuynzpymmboiximlp3x3da\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1127319445},{\"type\":\"playlist\",\"playlist_id\":685090946},{\"type\":\"playlist\",\"playlist_id\":68476160},{\"type\":\"playlist\",\"playlist_id\":772424828},{\"type\":\"playlist\",\"playlist_id\":528663904}]}}}",
    "nonce": "0x9aadbd1703d3c53720ac834ca5111547fbd9e131859105a662c9e3324cc4f628",
    "signature": "0x6f72ab018f135dbc0ad0d74f5b2607312c094fd1487a2e0ee099ce9ba5fd107140f492be18a9643addc61b281fa7601e1fbfa67f9c8efa8359d9fe8096c7c8a11b",
    "signer": "0x832d36795a8f06654eC0F76AcEE0dfBa112223Ed",
    "userId": "279583906"
  }
}