{
  "manageEntity": {
    "action": "Update",
    "entityId": "720140593",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x82107106c90b70301888bc00120d4e0963bb267117dabffd471fb401e2bc003b",
    "signature": "0xae7cd6b48df6bd5efd4b0a1d224f7a8026293275c3a5765eae6385802124f8276a094b4ad34685ce771f18bdbe10817bc33c377566cc9b8ff79fc518afe565711c",
    "signer": "0x2A0702822360AbAC0a8A4703C1104EEa313BFE20",
    "userId": "720140593"
  }
}