{
  "manageEntity": {
    "action": "Repost",
    "entityId": "646050547",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x0089ff33febee0fed6eed431581810a4410d3e13652918a91cc368d3380d1e59",
    "signature": "0x8d970a2f6d68493d4f2974ecb147d0b3a5ca2336f9458118454d3b06aec8c4ff48a4332cf02fada38ef8d46b545766e5f872c38c5854d476461e92a1981cd9c51b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}