{
  "manageEntity": {
    "action": "Update",
    "entityId": "801861717",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x84a39d897c8ba9328d886bee59c34e72f79b6c46649f8f6c6e09df21784cfb52",
    "signature": "0x2d5ecdfde41d7a76f313ec415d42426f48934a9d2cc76740b0844ca282b59eea01a847167bd21da482e6ad72aedd160c3ac8d0631d28a975e081c6c155fe6af81c",
    "signer": "0xEF6cD0Af3a27bd0551306E2C07d9eeA9E8f8fd64",
    "userId": "801861717"
  }
}