{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1499899881",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x805f4bb74c464e100a10d410405ba735ba084bda782c813e312a97be7400b9a1",
    "signature": "0x10b6a77fd335e3e1bf6ea507115234fc1b83f90eecb9db06538f4c31a01449d86ee0739eb55a6d562e64a342e99fc2c1783b972dff06ccff4f4a8895bba1c0361c",
    "signer": "0x2BD0c2111290EB20B2843e8b1c0f25aA5cd52a6f",
    "userId": "618242981"
  }
}