{
  "manageEntity": {
    "action": "Repost",
    "entityId": "542750632",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe43c73a709dbbca7512fce0d10e3c0592cc47a7ebd99da3c28f3f00a3891a0d4",
    "signature": "0xc08e4fdfc82953cd1f84dc89eac8540197972d2e0702da0fad60004e760c10066c6dced61db56b65933d29a351b2ed73a2879e6fff3b7c1f2cb4c2c25c1a9cbe1b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}