{
  "manageEntity": {
    "action": "Update",
    "entityId": "85051708",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x0545e4edff34a5f03ee9b94997aea9e84f14fe8e5eedcd597d9408c50497fbf3",
    "signature": "0x7613901f04f429789aaef795c1b9a5a1f0e9d5586b48b523e25ca27a9e99277e1db9fc8b9a93383d6b38ad2b9be4be917a72573d740e9db098a4807a374983e91c",
    "signer": "0x9976A5bDB93F69653188778fe013ed45ca0c2Ab1",
    "userId": "85051708"
  }
}