{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1499408317",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8b421ad040940d076c13e22ab582206336fbf1a496ea81be50167002e60a6e81",
    "signature": "0xc75989eed38c34e7df86522ee4fcd15f731ea22120c9e3527a6c8f43b3bc7a3208b8cd7f6639702f8295ec16fb2db0b03d8e4eff8bd835c2b8ab53fe872846141c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}