{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1604175974",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe2d07eb306ea5690333fbc6745f0016afd53e5ec0c1715e15de0471e85e3c04c",
    "signature": "0xe4ef243113090a68beac29d85cdc5503d942f07ef54031e3983d166de6b263d15f3a6a5df143b200d7d9b01c13d431a7438a2f92d58f1fc00ac9478e1aa0090c1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}