{
  "manageEntity": {
    "action": "Update",
    "entityId": "567685296",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x3a6fcd3f0c3f93c6d00f05462fe1ea6b55da6dc728f7b631e45a64791ccc1e23",
    "signature": "0xade70a8110c5f9d204c829a5f46f78f84eebd1e1588cd20162e1d9f9a10030d60685ce83a5c2c49831bbc7bc4dbcff7d61651698397242c5b3724b1398e22cdf1c",
    "signer": "0x84206eF8bAD3F78F1B7914C57F2a4Af1fecd784E",
    "userId": "567685296"
  }
}