{
  "manageEntity": {
    "action": "Repost",
    "entityId": "640671",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4b9d8c07d12b1eac8f1eb788d2a6827db22190b1520fb87f17595a0db82b3817",
    "signature": "0x480cf61eba92c9b90987f4544cbb1a31a7c13d850bf483f46d4d568c4b186e1b1531a94c0dc5e457b0ac653931a141ff0273c403967f81d86928adc92d206f341c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}