{
  "manageEntity": {
    "action": "Update",
    "entityId": "560630042",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x9650f09d9e2e467b43eab6b74628fc1ce650c5c14f952df5e332740f5c35ca04",
    "signature": "0xa7997cc123fd9e1a66add816a93656711ed98131c77ce0798f4b39905f1b300f0dad19e4a8835e443e6056a53a32a9ba96a7c4866ec22e6005bf9e954c00def41b",
    "signer": "0x0fdbE0966d6f65E3DE225D16D06131c10d4F2b3e",
    "userId": "560630042"
  }
}