{
  "manageEntity": {
    "action": "Repost",
    "entityId": "515883740",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4ea8084358be161ec2f262109b03ccad6d43252932adf441faf31cb3a78876b2",
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    "signer": "0xF7628Ea36C0C266E289b7538b033fB949A6C31ff",
    "userId": "386745392"
  }
}