{
  "manageEntity": {
    "action": "Repost",
    "entityId": "771205939",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x635fafcfedfb262816f2c96270916de56ad59e7e82711d300aab221ff9ad5d12",
    "signature": "0xfea421daa63c91319c5814420c9140e626be10d924dc7090976f05627645f5c147c89ca0c27b3b1c2ed3e6b947603a858c8bd1a515abd7b55d6f25566365d32e1c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}