{
  "manageEntity": {
    "action": "Update",
    "entityId": "589044776",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierahaiojqlwhax6nnuik6avvinmcnq3yr2hcauu33df7yd2grcxdehq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":353094529},{\"type\":\"playlist\",\"playlist_id\":742396916},{\"type\":\"playlist\",\"playlist_id\":1571697908},{\"type\":\"playlist\",\"playlist_id\":1719953142},{\"type\":\"playlist\",\"playlist_id\":633761615},{\"type\":\"playlist\",\"playlist_id\":2038963676},{\"type\":\"playlist\",\"playlist_id\":364702348},{\"type\":\"playlist\",\"playlist_id\":1396068937},{\"type\":\"playlist\",\"playlist_id\":1454193004},{\"type\":\"playlist\",\"playlist_id\":772837955}]}}}",
    "nonce": "0x05076e89626f0497806c4818bdd3d97b25598c859774294f1fec72cb1e7d027e",
    "signature": "0x4e63ef3c41f1e468c69f0721a0821bab775d0479d5fb580b0c331a70d739088477087c3aaa8ed32e78f8e6ea993f1f68f292ce581230c12ac21a0533c31b84471b",
    "signer": "0x0830a9051cF7DE5F111bfabf9634B8376FCDBb59",
    "userId": "589044776"
  }
}