{
  "manageEntity": {
    "action": "Update",
    "entityId": "817118268",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierat7pjcqqck5cebwtmf5r7zmog7mpjhkwp3ff56epicobob4dll3gq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":1290339850},{\"type\":\"playlist\",\"playlist_id\":1471731267}]}}}",
    "nonce": "0x143082ae145ebf33494164ed722ff4de818e97fa08a98ec86919ac7365c817f2",
    "signature": "0xf35f8f2f3ffe57e6fbc66c6a81ec25c704afb436100727f68d0abbc105247f91444b1e1a409407c14cb35f9e2a3c15208b91c5614ef34af57e23d3ff5218ec2b1c",
    "signer": "0x75Eea1E24e43327Fb694Bc09A48Fb0265784dBfB",
    "userId": "817118268"
  }
}