{
  "manageEntity": {
    "action": "Update",
    "entityId": "58600206",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x28dd8093525db4bf159a3855fa5b46944e02565232a53844f4512a79ee746570",
    "signature": "0x573b13033c2c46ffd3cb0463deb54bee67516bf1230dbf1e26530c0b7b38ab9f140cbfacd2cd01577844c4fb1aad966d9be12368b1207433cb1d9eac2de80ab81b",
    "signer": "0x7D89eD1c2C9744b86AE1D1301E8F342289D2f3cB",
    "userId": "58600206"
  }
}