{
  "manageEntity": {
    "action": "Update",
    "entityId": "961712785",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xf3e4dfe05f0f6dcc01e3fd3595b67559cc62a7ccc11e3c5619a47b98dc2d6522",
    "signature": "0x036032331715d50db300e3bdb25ab7f9c38640ec25e432ff6550e6f9551c290214dbaf6dcdbc7af47df396d6567bf5e91ffd57f511e5669fb05744bfd557a5d21b",
    "signer": "0x96e4153e54Bb25776bF8057B238887826b3981Ba",
    "userId": "961712785"
  }
}