{
  "manageEntity": {
    "action": "Update",
    "entityId": "364824223",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraip45hezr7hzxk3weyfazlidmycnsxj6tnjx6w6ve2dwbwgauiaaa\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":507951590},{\"type\":\"playlist\",\"playlist_id\":1556804109},{\"type\":\"playlist\",\"playlist_id\":49189372}]}}}",
    "nonce": "0x9a248b02ebadc27b527215408c2e1a97c3b3aceb972bb6cab6012b1bc0d59626",
    "signature": "0x5ee8ce3f88e8a4b9499e8abea989deccb026d75c419ae3c7599b11a52c21a8315bcc66a4cf4e14d6612f9e7de21a167e10c998b07d3df06434a3600c6b6c14621c",
    "signer": "0x73D0f95f148C665c6fb739d5f2eA7Aa713823CcC",
    "userId": "364824223"
  }
}