{
  "manageEntity": {
    "action": "Update",
    "entityId": "960158487",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieralzmboheqmdxfhu47hfilfd36xcr2la2chwmi5fnqjen7l6xmwi7a\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":6273820},{\"type\":\"playlist\",\"playlist_id\":1022285531}]}}}",
    "nonce": "0xeea306c3e73f6e431da8a8e58dbb0eee305db2eba0f09606a23b5690d5534c72",
    "signature": "0x9e258b7c0108f8eab44af6eea51ad25156cb650f15e83c4ca21831cdee290177690392097806d8d54dbb1bc64f25460b4f8d14a45059782b50bb5c780661411f1c",
    "signer": "0xBbf8F4053B145E8eC905ffb20f5b4e80B183D48B",
    "userId": "960158487"
  }
}