{
  "manageEntity": {
    "action": "Repost",
    "entityId": "839974002",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x73970ba960a13468996e2e6cc1149bb02b235558bd7e0ce1ad92b05622aa5694",
    "signature": "0x46a3bbb7f3b49247fe975a15f8e6f19767e829e4f8151e6de71d34d3cf1289dc6cef0f7879e778ec154263450789ae4b51013df827a07cf34e65af272d4dbdb11c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}