{
  "manageEntity": {
    "action": "Repost",
    "entityId": "890930661",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x75ecb431974e2a78e3442903fc4d34f1ad0a7fc2db014d9dae4c608645116cd9",
    "signature": "0x1b0d513a59196cda38186b91ad26b2f8b2fb060408dcfc48b6bafbbf9ce1b38b1da9ba3b8a3c5502d78df428216f43d745253c2a580dc69767ace5f6274c85771b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}