{
  "manageEntity": {
    "action": "Repost",
    "entityId": "644891",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1502280633905f39e194d8aa95d165cd50f4e376487df47a92f1f7da14f45d24",
    "signature": "0x53ad2a3a83189b9812c467d662a245e2e06efdc48a35b80e359b28fa8cb125075265f5ac9438cf3a1d7b9a9fc6d018830b0aa73c073cebc5f64626217da4b08e1c",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}