{
  "manageEntity": {
    "action": "Update",
    "entityId": "940795349",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera4nwnly2ednuddesfupyhc5lfc4llnjidgiiula4wra7wyjh63dja\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":2132229232}]}}}",
    "nonce": "0xd11760b5c626bcbe23ddfb54adbe802d250736d55bdb6510bf7ccb053bf965ae",
    "signature": "0xee71d77b236e869074a1fb69acd3239aef4fa5aae5d531fb1715a8f470f49b703f6ab4edad2f162dc7129e524fe39f34e5765282e24a5f5025d2212ec15b430b1b",
    "signer": "0x8D9fF7c77B40B31De4f985c6a8fE761A42f8C413",
    "userId": "940795349"
  }
}