{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1621496948",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x89fb1e8db88864c70d0d2a1269102b378019f5fb97d5f9a3554aab640a603cdc",
    "signature": "0xada7063bde45c6a03cdaa1f19b79111525260add07f46ce5bf5fb34d42d0304a5181bf393ca7b57bc47fbbbc8e2ee803283e8d07d4bd245a3e21179e7f63fefb1c",
    "signer": "0x44Fe9338D9d1405927C73FDA0be0F36ae481Cd39",
    "userId": "983568397"
  }
}