{
  "manageEntity": {
    "action": "Update",
    "entityId": "950485788",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x4eb58bf732852050c81d90a60a40821842a21a1aecbc616e5fb4ebc6fe2267db",
    "signature": "0xd6b3159b9a8e7f72a3b74677d4ee0a066512c30eda44e567c3003d63422384601ee8841d809b6ad8ebde8add6021cf3dafbb783cde41ae8dd3603a690bfb79e01b",
    "signer": "0x6CF29C21c9C0b405C773f3605658C095Af4c28EF",
    "userId": "950485788"
  }
}