{
  "manageEntity": {
    "action": "Repost",
    "entityId": "449358757",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd50503c614a3751b5d54049427d53ce328ec6a6f23504e7bd8f481c4a27650a1",
    "signature": "0x5d355e02c2570bed0b062ba8173f8adcc6f23b25ddfecdf039ac610545588d2375cfa357829794e92d90e86f0df3c013aa7daaed36a755f78b2b776ed157e79e1b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}