{
  "manageEntity": {
    "action": "Update",
    "entityId": "650710289",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierazi7t6gs7yq34kt4htovesw63shxopntf77wlwnokp3hojxjc7jda\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1636386538},{\"type\":\"playlist\",\"playlist_id\":1514192617}]}}}",
    "nonce": "0xabd083b3fae4a01d012d72ff6baa3f90bff9507355b9d8122e6fedc3d66d55fc",
    "signature": "0x641ffd176adb84697c74952c5d35ec340ca82b2163edcbe0e7bc098f1288e157746427a15869cfa83daa1fd5664fb6d99b41e5b33e5b6afb1484b5bdb380aa9f1c",
    "signer": "0xA76bb874Ea465ed9b8201008c0Dab4F17b244752",
    "userId": "650710289"
  }
}