Block 605660 as reference:

{
"hash" : "45fa763eaf7ab824740145a0e953433cb2ca4533e352a8dcf9830dd5a7d87960",
"confirmations" : 4,
"size" : 214,
"height" : 605660,
"version" : 1,
"merkleroot" : "9e9325d0be1c7b8e2f45ae5e7a2f988f1b31fd55a6a6add2981b35f57e1df2f3",
"tx" : [
"9e9325d0be1c7b8e2f45ae5e7a2f988f1b31fd55a6a6add2981b35f57e1df2f3"
],
"time" : 1378789323,
"nonce" : 3999076096,
"bits" : "1d0089b9",
"difficulty" : 1.85877982,
"previousblockhash" : "923f37f9256bcffd4adc15f2117810f9173a6fc7cae4cbcc24c149bdb4195bed",
"nextblockhash" : "1f274ae83cc03b64437593cbcfbbc0a790ccf1ec9dead14466a90325ca16db88"
}