{
  "manageEntity": {
    "action": "Repost",
    "entityId": "750405916",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3530b831be3f9941fcc2312e9a8983cf47e51574be96e87d120453369364c772",
    "signature": "0x94a57bc134a788ea3a559f991a911f87fb0560ce286b677a6ec435c86af9f511040191f502808012800a3fab8113a697ff52d73dc05fb77a1be5cb8df6f08f761b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}