{
  "manageEntity": {
    "action": "Update",
    "entityId": "697295895",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieratrfmhmvov3i25y4x4kerj4cga7vqrj7u7tyhsdfwtm5v2oinnq3a\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1595824732},{\"type\":\"playlist\",\"playlist_id\":399312961},{\"type\":\"playlist\",\"playlist_id\":1800343418}]}}}",
    "nonce": "0x1d7d6082e0323e2477ad6c6c63b4324cb01d0aeab6d0b37f8ac019a5baee662a",
    "signature": "0xdf6e4c71965c54091f7c2eddcbe5eb6e37a7e30957e234bc32e1cac678de1b7a681dcfd7eb8638365199e5dd883c3c31793cad197076dc74d768b7df4c73af091c",
    "signer": "0xEBBE44b94C00386BDdAf990DBE00c1B04a9FEF1C",
    "userId": "697295895"
  }
}