{
  "manageEntity": {
    "action": "Update",
    "entityId": "955418207",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x088a356ecfe1df0d503728b23ece469bb5ba596ab6a39d87911be1c402102ad1",
    "signature": "0x691405a323670471fbd25a6ec293aea34a726ed6f14e73584ae196231504908a3182c5cad8f5f0adc98593a1fabddf91e02c2398caf6618c992515854e7137c31b",
    "signer": "0x3aE06051CA81e9C223869Eb8E185EBfF05D1Bd4a",
    "userId": "955418207"
  }
}