{
  "manageEntity": {
    "action": "Repost",
    "entityId": "543621",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x43a723e4569f670abca664d099610832d192a4319e22715cb245ec7e127282e0",
    "signature": "0xecc7f428a62879013ce93ec527b659f1426ddd8ecca4956b6a16a57c7aa418ba020fe084701891b9c8e0c0eeb4359638dab86dcf101e7f070a2afd37f9da50de1b",
    "signer": "0xfB6436C438F897b7eA739876B4Cfcca832868820",
    "userId": "512354652"
  }
}