{
  "manageEntity": {
    "action": "Repost",
    "entityId": "770655690",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb84cc95931b59e8b07c9a4808f2d9f487a8ee6e41f613fe3d43a40a15b957e0d",
    "signature": "0xa4441c5e12138f2c23d049db9ed72ff5189ce8ff379d5de3cdd36cd63e64a35110889afdc2564b5fce53b41928e6a9d60978d8f81a22a0889d08a851bec9a2d81b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}