{
  "manageEntity": {
    "action": "Repost",
    "entityId": "412943",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3d8cdff34d08b316e50d8a77620d3b4fc5f83f1150ec4a264490ca0edde345b0",
    "signature": "0x4d8ea433075dec36d3cadbf0b88f01fc32f2f98f20cc9b62c2f7fd40b1ebe8167b2bd7615ba78914138c23831ddb797ce366660c0c02cd19d61a2708ef5eefeb1c",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}