{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1323287611",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4eacc90243420cda73d475bb9a576dabf88c8e8f33d092f4cd1bf9eab291cab4",
    "signature": "0x2243816b7b1e6d119385ba4a438b0d0f04076233caf773eb338d9fc4b1875f58483118ab3c9b4cbfd78336ed41c8c295c8ec43c58b9d3f17fc285754de202dcb1b",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}