{
  "manageEntity": {
    "action": "Repost",
    "entityId": "299757696",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x55cb3e665604e134f83167d9942468e1348d09c16adf59b69e8e01faaeec9f79",
    "signature": "0x926241a370d5d3b6789300b2491d0700efaa0f477b6a2283bc9ec5405cf2559e75406ddaa67f64396f4a29fbb4f9c3556ebdcf00fc5fcc6e5bcad5b20b2471ad1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}