{
  "manageEntity": {
    "action": "Repost",
    "entityId": "278821879",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x15c4c45a6245bfdb9e857d9399ed4752234b3f1b32a76b9abba226010afdbb28",
    "signature": "0x4af91c68edc09d46681a595c12480e2cf6994e7ce45eab1865b4807a4710fe1b5f25eb12f68437b9ce291a314f4ec6f6976fa3eaa55c737566ce18fb79e770881c",
    "signer": "0x7425EdbFdF528603A88c658f4cf8B1396a8a77F5",
    "userId": "406225571"
  }
}