{
  "manageEntity": {
    "action": "Update",
    "entityId": "133653253",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x4429e4f6c175af985133ecd8c37bc4d589b1fc3e1cac2c36339e6dd217cd844a",
    "signature": "0xb8f98daea8865f49d506d21f96ffbbf4b81ec8e49165773d3b77843ee34e45185b3fc3c1df993db14c2a2a0915d14ff949d6ae010b04c8a82d7bc7af104d3acf1c",
    "signer": "0x13839b1F022D94fAb7C05558747a2F686429366D",
    "userId": "133653253"
  }
}