{
  "manageEntity": {
    "action": "Repost",
    "entityId": "139391",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x12fbc91a282073fef0d9e28265e9de90a787c72fcc3a12f1658926ea22d7106c",
    "signature": "0xe6d8c0b03f343b366f6287f60b62206d854c85c72c6808f3f8871bd09a1e08a254e778eadbb9b7526538db44c7935f2c4e03b63be5592ebc873dd94c13cafb761b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}