{
  "manageEntity": {
    "action": "Repost",
    "entityId": "639754",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2607d254867b8eceab4e7186ff72266ca88dfe886af49424c36111bd306b68ab",
    "signature": "0x93fa9504929b304f314c5a0524e97960de1b81b06d5b881e011822de03ff8a9578da573baa1e1bf6efb7d46333c2a3c75f0da2e1363bd1e02b9e9d7a202852201b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}