{
  "manageEntity": {
    "action": "Update",
    "entityId": "827480237",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x0443760115d97aeeaae6bd4fae0ba65d23b6702e0c029d6e8e376968337a8477",
    "signature": "0x9645fc0ee66dd61874810fed01b85880ec49fe227f7a5ad2c456e1638178879f61dc9b4dc31eb252c22d30a2915b6aacdce70af04907f6654616112d568d9f331b",
    "signer": "0xc307dac1DE7Bfa3CfD2B4c8d8eE81D385e6fB6DE",
    "userId": "827480237"
  }
}