{
  "manageEntity": {
    "action": "Repost",
    "entityId": "646499801",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x74e531c5539110de8a02fd33ae455fdb5442867f8c069dbdd7010bcd092a8388",
    "signature": "0x2756e933967eccbc27ceffc9ba351932e748c487b3e48e9601a9647add8b8ba057be6cf73aca8a25ab0422dd719fbd358e50f9b2df9ddfef7a6e6a515c16fa321c",
    "signer": "0xdB791822A11f5aDc830669bdADa8121a4558D7A3",
    "userId": "347139808"
  }
}