{
  "manageEntity": {
    "action": "Update",
    "entityId": "953219535",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieralcb3t7lwk3al4ihwlcy6kydh42qdifqglogeoj66qsmy2atwglrq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":2102334422},{\"type\":\"playlist\",\"playlist_id\":1358587117},{\"type\":\"playlist\",\"playlist_id\":2066007995},{\"type\":\"playlist\",\"playlist_id\":33342172}]}}}",
    "nonce": "0x3f449aff9f361d0fc66b94a1367eba1ee37c73e7f3adf22402128509b7fd3b53",
    "signature": "0x5dcb14d5429f73c656924fa8141f79fc64f099122e14c67d3a12641d7c81d7a332a2d3dc03d3e53d2d73567cfa5728828191267f42694e719e2ca00b35fbd6aa1b",
    "signer": "0x165ac7dD4D63a6A37cBa24549d0c710442e9b68b",
    "userId": "953219535"
  }
}