{
  "manageEntity": {
    "action": "Repost",
    "entityId": "674888814",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2a6ef8a458602bd2c8c070e08b11726bec2edd3949ea31d2da7f3fc1fdc0f404",
    "signature": "0x9a5f604e4f6bdbcf87f51ded042e6c6e8f510b68ec65c194416455cc1adec68771a81cceb5b602075d3ad52ad7e5d0dce85a0166f5d4447a278df691823bb56f1c",
    "signer": "0x2D566E1DaC6fc148a694abe846B32e39B6584aa5",
    "userId": "890889753"
  }
}