{
  "manageEntity": {
    "action": "Update",
    "entityId": "3636854",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierau47woiohvzs6qat42kgtoewoh4rnqmfoeomsjxec4ywwtglvhpoq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1369700879},{\"type\":\"playlist\",\"playlist_id\":1120053199},{\"type\":\"playlist\",\"playlist_id\":194844994}]}}}",
    "nonce": "0x80c71e1a2aa0e6c3ea055bb46da3da2e6375b195dd015dd7e2bff2c369b12c9d",
    "signature": "0xf7803fb7172a654916d5a0114ea3181d5640d002627c1d47b1c5e3772a8f7e02658726d7405c65ac786a166c3f9adb702879b8bbfdecf26f5f56763cb731fa921b",
    "signer": "0x2e9d3CE541fF1290944eF388dE9759d77881dA4a",
    "userId": "3636854"
  }
}