{
  "manageEntity": {
    "action": "Update",
    "entityId": "717929531",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x195433ab1948a2f9b8af2c38ecaab04f1d74ae3fb2e6a329c12fe6d85aef146a",
    "signature": "0x10dc1dccb61d1f543d70d58d3c4c25bd083546fdd844864603eaeb7585cf97dc591964418202e846ba32be401c2ab3e4061c73dfe105da427c21bf6fe525a2a41b",
    "signer": "0x607AeF2459C103098d065C1481039f628E9756B4",
    "userId": "717929531"
  }
}