{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1555515921",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x60f387f18b597100b5b80efe09082c4bee1a616abfa50d09c6631e81abd106f3",
    "signature": "0x2ed47e561b523897ec040ec53da4a006931aabb433e56051521c4d342d1dc3f452f01ecfd7014d6db0686dad80768af5138bcb3359f52d33a325eebfb4f143e61b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}