{
  "manageEntity": {
    "action": "Update",
    "entityId": "684501630",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xb62310999aa4ba6fb787315b5390c5fe3b48b28f14b3f972bd32853186db98ec",
    "signature": "0xb0f6ef9752630ec317f96fb9ba8164ff761997c6c58a2a01cd6b0df2227a155d59de250267b71cd5839717fe107b208fb2cba4fc11bd39816e90c3086fa055ae1c",
    "signer": "0x11ed152936b1246b768C3AA5B53ed9aD46476bd9",
    "userId": "684501630"
  }
}