{
  "manageEntity": {
    "action": "Repost",
    "entityId": "639624300",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x419654544cb28028240102b06a24438a1782ce5a7e57cc665e566ffb1ff98f84",
    "signature": "0xe467f435b6a09bdd3cdcc7b4131e37ce78bfd271b4e2d8827b7d734d9723edea005cfe5702177b1a46b40c31cbc1c3377ec88435a297f08c43a9f12d2a93d4a51b",
    "signer": "0x44Fe9338D9d1405927C73FDA0be0F36ae481Cd39",
    "userId": "983568397"
  }
}