{
  "manageEntity": {
    "action": "Repost",
    "entityId": "521978499",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd938036c098dcf55c5ec2cd2d09d9bc6a07b6d4ea996199e29fb8cdda8b06feb",
    "signature": "0xcff21f4b65465dd47d1a1e286912714c64c07bdc0ec348e6eb7d40c3c2b7f5bf56084a16c38c040ca156805feba612358d212539676eb24c344e59c37f88bfa61c",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}