{
  "manageEntity": {
    "action": "Repost",
    "entityId": "545542",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x57968b02637cec3216fa714de30e67f71d4776cbd5feb12d55cfc1050091f64a",
    "signature": "0x8158a3f6e47bb2d41a91f6e964cf2d196de50153a1acdda2a9e3f511a23029cc209441dab9d478f5d70fedc0ec82a31a357ed4019d207c6490c1104bee90b0a31b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}