{
  "manageEntity": {
    "action": "Update",
    "entityId": "77558184",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x39488541ee0c6e2af9c97a320a6b9b1890d974485d5bd4be3db43d8625f6d4dc",
    "signature": "0xc4e25162e4a5df51ba265d2ceac0be803bace5de8e8880424d4bec7737692a0c71263c84bf0168b45d5f750baa6c041fc6c9fd3b20ad60d1de397636f0a2101b1c",
    "signer": "0x24b2B119Ac8F66267e87ACBBc55e19565457F9d9",
    "userId": "77558184"
  }
}