{
  "manageEntity": {
    "action": "Update",
    "entityId": "29989384",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierauaoxmdy2slosegvdzbahk2xvouyjjzoz6olxkp4g3agfijc3ocna\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":2035156000}]}}}",
    "nonce": "0x967c92f79b39876370a5648cfe3ee8160e16ddda7d69618f8939f271f8202fe7",
    "signature": "0xce366af05bac7af1429f1aa5ff895640a4d8395b48f52a158c6c810ae32fb7145c80ab4b14c82ae8d2f7560c209c6c90f4166a82fed56349686bfba75352df881b",
    "signer": "0x113593f987a99eD745288b3fed7A719d5cC3c1bF",
    "userId": "29989384"
  }
}