{
  "manageEntity": {
    "action": "Repost",
    "entityId": "399592648",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9c298280c0733401651eae2b26d2eab7abc5c54377ea1e5826490bfe5aede389",
    "signature": "0xa14b3736b9125c0be2089ce2a148e1e5a71bd9bb01dbf3eabf3b6db91cdcbf2066e68fd880e78cf111e5a1ceede20c0aaf85bc6cbd55a5e49001571b1b66b3961b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}