{
  "manageEntity": {
    "action": "Repost",
    "entityId": "538763",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5223309a1d897b5b39b1f423ea4e57531ff611688664c701960841cdec6c8075",
    "signature": "0x26b3f7c6f262f3b17d61ba82d06f9878856c6ad31d93b5a3484f22777939aaec3c060220d416f263b1b27f3615863d545abdb3ded76c02ad110073f55949e9ee1c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}