{
  "manageEntity": {
    "action": "Update",
    "entityId": "18002392",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraka5rou2vi7kdnx3iphnrapx2mutws3aa6l774cndq3q6fu5irmea\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1608367466},{\"type\":\"playlist\",\"playlist_id\":478691610},{\"type\":\"playlist\",\"playlist_id\":18501855},{\"type\":\"playlist\",\"playlist_id\":1698632687},{\"type\":\"playlist\",\"playlist_id\":1443735192},{\"type\":\"playlist\",\"playlist_id\":1505183576}]}}}",
    "nonce": "0xe92c1978c3e5d86f38d71b1f993130f501c305fcd2829fdf30b49a42fd640f63",
    "signature": "0x830e04fa91467c9b102241dac8e07b67bf6dd6d1f19108ef548e36cf8a3ad1f94200395662bdeb2beeffb5f5b456764a9a3dc92a7ef063b9c5a0808cebb19f3a1b",
    "signer": "0x7Eec440C3674292A66f7e20C5E6efAeaE5956B9a",
    "userId": "18002392"
  }
}