{
  "manageEntity": {
    "action": "Update",
    "entityId": "729166010",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xa593bf62e369b32f427b6bdb19c32120721faaf58fd1d36381350615b2d3946a",
    "signature": "0x26d6f3df8b2210059eb5b3afaa8e740fc242bbf70a3456b327366c050e1e050404e195a1557e4587d19c283f5240f8c596a5423760bbdb41f0be1835ae150ad11c",
    "signer": "0xEB9592D53448FC76CA6a96d703DEceC1FF1Bb5Af",
    "userId": "729166010"
  }
}