{
  "manageEntity": {
    "action": "Update",
    "entityId": "650710289",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierazi7t6gs7yq34kt4htovesw63shxopntf77wlwnokp3hojxjc7jda\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1636386538},{\"type\":\"playlist\",\"playlist_id\":1514192617}]}}}",
    "nonce": "0x3c211f0901d326a6fbcd3b89b8858bf7e5b1d65b3462d10a34d5c8e777e8c6ee",
    "signature": "0x3f293070ce192ee509007145b685bb8aaf5184d7bfb2b78d575aee227ec7090f13145bcd7bcbde66f7d993f9ef7cec97267519e6118cb16825ec60307f086e311c",
    "signer": "0xA76bb874Ea465ed9b8201008c0Dab4F17b244752",
    "userId": "650710289"
  }
}