{
  "manageEntity": {
    "action": "Repost",
    "entityId": "489608",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9c8161c9ad1fe46be0268986b1bf536f5a3c98e64a036e6c48d87c090e0e5433",
    "signature": "0x1c5406594e04d5c0b77751a4d5f8cc948a639f859d210dcfadd3295ff3bb61174d8d2887ec52ff3595c0a5c255d9c23fde6a8db1e5c677f994b202e1c07426cd1b",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}