{
  "manageEntity": {
    "action": "Repost",
    "entityId": "457219352",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xee81edd8e1621490e5807f6544289ec3322d440eaea41102bb4447f12713e5aa",
    "signature": "0xa95a189923be23cd8ba94744d40c1dcc65f388a32a01d8d41d2c04bd16336a1d37550e8eb3a012a1ac963745987552e749394857629580a7273605f622b813eb1b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}