{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1503015986",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa68fb6217ceae85c93426c32af51101b488adc8f3726a13a5ea145f150cc91a0",
    "signature": "0x4d41e5feb611d83e5845a63b4e23166cdc2aaaedb4d8335ccabc0c4bb61b46dd30ece830de139dc78ce552e85afa97ea5ce1e2957836b364d93d7fca95e078851b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}