{
  "manageEntity": {
    "action": "Update",
    "entityId": "718637748",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera5ejeqjz2vew4w7b33qxcoqjnjlz6bpzx6aw7f3gyz6ayx5iqir3q\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1818165763},{\"type\":\"playlist\",\"playlist_id\":2087479850}]}}}",
    "nonce": "0x955ec46ab7ff42cbd151de3a4205e0f50191cab31e0fa081913775a9f335e5c4",
    "signature": "0x44b31b25a158280cf2b0df3dd9ee4b831c7c1101889e40e92923bea738641e3d227196c96b1f755a565134343d46bb7d1890d5becdb53451fecec7f3f61f6c031b",
    "signer": "0x65E206f484415ee5E20E9B8da531F689983C6e36",
    "userId": "718637748"
  }
}