{
  "manageEntity": {
    "action": "Update",
    "entityId": "252216266",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xc41e8c6aa57c6bed60834e579ac21c13070632e7eef297edc60d3ec1b1e9fb03",
    "signature": "0x84fbda8e1cdc42f6d8fd409f7c465520259cc2cd096e610e88dfa4ad6ea4f032552b43cad0022d883dde992f0e3c07d8d55aaa6fd24d878c4e893e6ad449c9451b",
    "signer": "0xFe33B85231964EBcdDA093f889d1DF88Bf6FeB71",
    "userId": "252216266"
  }
}