{
  "manageEntity": {
    "action": "Update",
    "entityId": "470111575",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x3655fa18a6caec0c5184e6c61cb73ed38606b688ca7c92b5549c86b2d06ada78",
    "signature": "0xdf81b9585c9e23fd2dce41477aafeba1d074dce61a17ac33b505af4ada9c947e11ec7ae1aab17857ef79038bf56890ff91aada336d3491a01ed90c310d3a48141c",
    "signer": "0x69961224e29D2F6e25A9967e2713eE71c3b624C7",
    "userId": "470111575"
  }
}