{
  "manageEntity": {
    "action": "Repost",
    "entityId": "761287",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4b14f431529f6ccfbb47c3746e88cd064a89f0723d94b8ec666e1eeeba0099d5",
    "signature": "0xbf142740890ce95d0b742fb153a340671a1d2cb610534160beb39d80e2206319505a439d4cdd2c5f164a0e639c69f52c8c85bef50dbd1e3b201ab6a0c33702ea1b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}