{
  "manageEntity": {
    "action": "Repost",
    "entityId": "744459",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xbb14e84057a4a2e474010d69fa7afa77cf4012300f4a1823d01516cc67c4b3b8",
    "signature": "0xf6b9c46373d239bb17a7f40f6f2a0f1bfd11ff36353cd180ebf56cf16289980d0094bd4869d3f11ce88cb5da70cd8c5d5911afb78e5c36a753bda8779dbe11581c",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}