{
  "manageEntity": {
    "action": "Repost",
    "entityId": "503990386",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x0265689e846730ce96f74a8c1fcfe2d2670110b1d44c466875ca9df2e7aea198",
    "signature": "0x6651ef8deb70d8e7a23a3b2bae12d0003362585909859e511bf32aeee65db48113c53314bcf1cf78fbe00ada8018c4064fbfcb80f4f9c76fe252095a4efb3aac1b",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}