{
  "manageEntity": {
    "action": "Update",
    "entityId": "696978255",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xbaf2fee928168718e93a7e4dfe9683c7188f34fa1aa05448597f371c57434792",
    "signature": "0xbce60f51e4bdd38f2dbb09cdb289733286b808e3cb6f0d5b78d84d9cd9b4ad555f71b365ce584da26709b533abb2d5f50425b9dc5c7a329247b78a7973d208491c",
    "signer": "0x60495664C60cF8427e991465f31ABe2F9dC345A5",
    "userId": "696978255"
  }
}