{
  "manageEntity": {
    "action": "Update",
    "entityId": "634621182",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x11459dcce6f240f7af2d6aed7ea043368ad383b7394713a3e94bcf2ba5ed2b7d",
    "signature": "0xcbf991a92dff3918ba6624e96bb3e7e8ce3f7083b8ec4c3ea1c05fd5b95a60e26f792c3289d46d56a2fdde6cf4e1ee0c1210caeebbcd5600c1fac8e862dbd3381c",
    "signer": "0xAE0EaA0d17FA83111006aA535A0D0E3ba54400a5",
    "userId": "634621182"
  }
}