{
  "manageEntity": {
    "action": "Update",
    "entityId": "71148134",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraobsxruazpskruofnxiktm4mwrywfnzrhe5i7ap2fejtsxqf6trfa\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":564532201}]}}}",
    "nonce": "0x591a9b752f44dfd3486e5798f319846b33db9d68812567eaa1185e97cda55167",
    "signature": "0xad398d204917c17e6543829619f289fc9159fa0b1d6f74c71bfad9a37055686530da523e8440cfff93228bfd7281b085552b55734d5b6665165e61b4aeb35af91c",
    "signer": "0x17c09dEea76A064688E293234f7191B813729E23",
    "userId": "71148134"
  }
}