{
  "manageEntity": {
    "action": "Repost",
    "entityId": "515409",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x79f329c1ae110c1d1722967bc7105a1d6caef280c482b1578d8bc860947d0506",
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    "signer": "0xF7628Ea36C0C266E289b7538b033fB949A6C31ff",
    "userId": "386745392"
  }
}