{
  "manageEntity": {
    "action": "Update",
    "entityId": "149059523",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierad24d2yotaz3pfqezd7hqnnes24gll64k7f2ynbmsmgybtuhdutgq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":952190174},{\"type\":\"playlist\",\"playlist_id\":754606547},{\"type\":\"playlist\",\"playlist_id\":267010459},{\"type\":\"playlist\",\"playlist_id\":876498925}]}}}",
    "nonce": "0x3e27f796ca5176e7e3d1a4e5e4c0b7c5848f349aabb040c807b94fa1b93858e8",
    "signature": "0x912469b5500d2d6592b73465518431cf5e5e617c602cf8362d30a7f57d0418031cd305dec46626597407edf169dc21f2e70bfe612696fbcbd6637df85e28ebde1c",
    "signer": "0x171d9911EacD4a62b48eD675a399F46176173286",
    "userId": "149059523"
  }
}