{
  "manageEntity": {
    "action": "Repost",
    "entityId": "754229090",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3e465c513923c86abc7638bcd869cfdc0f7297ac7bb70d7c15473aa2ee1af832",
    "signature": "0xd81b2e738e86aa943d715cba5c3474ac4bcd49d03b7a6f8ed4f02c07da266af437adfe7102bca8719f6cd091c3a14ad0035fc084a7822e2d786d14651636638a1b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}