{
  "manageEntity": {
    "action": "Repost",
    "entityId": "874966841",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xf01cfa9a21f9c966933378974c6a9f1fc33eb3792f910efb5f72c3b75efb9d20",
    "signature": "0xa6ec581669ee2601e9ff86d1cdfd5e79b9da250e936796a8f767623527a0a5dd63eef428b7eaa9b7c595777f30a27ff67f4cf017b6b3ddc4002985c34c885efa1c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}