{
  "manageEntity": {
    "action": "Update",
    "entityId": "109867509",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera3d65hrne26lk7blxjpdz44t3sxsvvoqzwsk6eo53baeiaw6ispua\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1680942140}]}}}",
    "nonce": "0x6d7ea402fab8ace8890f8ede6fd0c60bb2c89c8a933315c2a245b9afd946a92a",
    "signature": "0xd1eb7efa73df844d0cfa5c809a576c1a8b70fab485a959ebd8bf1b36cb639be236bdda63ec22b4f32aa3e44a093f367a729122136a1c9b20d8847c5e0f1070ed1c",
    "signer": "0x5CC64B02265Dcf47361435fD77775D146B493471",
    "userId": "109867509"
  }
}