{
  "manageEntity": {
    "action": "Repost",
    "entityId": "545539",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa0a9fb663213415c16495929a88070f0154402e9c4732f27662ae78a56cad0d1",
    "signature": "0x99226bf5fa3306d33de9f1e6a6e7d46f5e7b81032ef56e637aeca0a01db9b6374ee32aa5516196d57953803dd1daa1269a401ac662c5a1e483b8a3b91eaa46d81c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}