{
  "manageEntity": {
    "action": "Repost",
    "entityId": "554536195",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x28fe45266ec77c0e21cb324b60ce5dd1bc7cec1ee2f04137d7ca50b62d1199d5",
    "signature": "0xe22ce97372ddd5619638934d22cdb9c705443e89663853ac72024c7ad960badd608221104b5cd5f86e7c33fb681f90da92bca34a52704c761b72eed0a7b32aba1b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}