{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1504685671",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x442c7d6dca7433fa919838992f3b9b2e31b9d0064f6a1365610c88d9cfc19201",
    "signature": "0xe513c6449a0a26cfec12016abb5d70b2a2eb179bdff33cb11f087ac5ce68dfd22bc042ec3ecf29d3232b3f159558cea42a134a26ee3859a2e14667b377baf3c81c",
    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}