{
  "manageEntity": {
    "action": "Repost",
    "entityId": "780756435",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x6229e12326a64ffcb8150243fa73f79166cdbb9d1a9ad2d5828643dd714b7e19",
    "signature": "0x1dc8b2cb81d11135cf9ba5f9d2280b63bb50db51e9269e7ea8999cd4e4ad64fd0a56b98713b5abc226caa380f56304093b008c08124ed01f2d2da70f8d25b52c1c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}