{
  "manageEntity": {
    "action": "Update",
    "entityId": "762858979",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierajqgv76kwjcdcxxlgwt32zkehn5epkrcbgbi6frjdabfsism7u4zq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":957582825},{\"type\":\"playlist\",\"playlist_id\":1759165561},{\"type\":\"playlist\",\"playlist_id\":2046591296},{\"type\":\"playlist\",\"playlist_id\":165959820}]}}}",
    "nonce": "0xa81037414d25294fd0cb7ce72a3f7791993a42185d6f099b88da494c4664d589",
    "signature": "0x45b4bd70166e9fd7959654372530b2d3770d28bead3c42178041fd031d5a0d5646b664ef2c45375e8e87c3e99c91b700a2e3c9f420e8ee6d773f1cc188e10fc91b",
    "signer": "0xd28Fb334f1Ac142CB53a0F186a0DCa02E4a85aCd",
    "userId": "762858979"
  }
}