{
  "manageEntity": {
    "action": "Repost",
    "entityId": "750488",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x02e621054dcd5bf55d19c02fc2c494f417ca6b86ea641733cbc3916082ae0ffb",
    "signature": "0x1c5e7e33d31eaadb4e7949d1c275a24c5f148fcbbba4ed4bd497d26f81791b13467be7952951b3b2c6e5529cfb8928804e266a0c18bd17ede84db01328013c0a1c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}