{
  "manageEntity": {
    "action": "Repost",
    "entityId": "755865013",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x78b0e80303619f58d99ceb7e8b88b5ead01ecb2b2efc64b9e4b4abfff3b63336",
    "signature": "0xa12e60c6e7f358ce21f534a46a8ba7ea9a84275166c2f09df78825041f046112033fce908ac3a6499f61c90ffcba181cfebf7e4bd1e52c0f148ed38b29636fc31c",
    "signer": "0x81Bf0645011274410d5E45790ff7D2d89f3e2254",
    "userId": "880775312"
  }
}