{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1439416591",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9f970df6ff6d575b19105231884600234a2108f8caa8323308a531408a69be07",
    "signature": "0x40c56b18b8350752cfb5ae0c687fcbd1184869bb6924c56d9d89d6863ad07b1a5a47685818b211c2a168425104fb8f3d0223dcb6d7f8c62c0d792bdd1f13c2d51c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}