{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1421622783",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x566c8999d870ef8ec35d34b0d1b52dc99657f2324e3034ec2a48a7cba8cf1b09",
    "signature": "0x28f9c90fbf92062e34bddda16c1a3a0b5fe3d8415732c438d3ceea5a09fa144305d740f66c61514e9aecbedbe4041758b99a013a18916c196ea8f2d2c0fa85601b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}