{
  "manageEntity": {
    "action": "Update",
    "entityId": "370091516",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera3mmlnpkwqwjhqattoqie767bshybxe2hubmat7zbnvefd7yd2wra\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":487744262},{\"type\":\"playlist\",\"playlist_id\":1420596467},{\"type\":\"playlist\",\"playlist_id\":1394640885},{\"type\":\"playlist\",\"playlist_id\":1647242129},{\"type\":\"playlist\",\"playlist_id\":521330105}]}}}",
    "nonce": "0x746c9b066cdf35e96cc7906f3ea5ebe70be57203c197befa2eac1acad350eec8",
    "signature": "0x097eb19b405cc8ee86f43bdbc1240f394460eff70a072a7445f746cdddd9de447d1ab9556951b924bceec8103a7100f6e2fceb0b54b65bb056e59f12efcc494d1c",
    "signer": "0x15B9643abE09bd37C52a5BD1dCF938B05b06cBFB",
    "userId": "370091516"
  }
}