{
  "manageEntity": {
    "action": "Repost",
    "entityId": "990427865",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5b336437d1620848b8479110b2be1d2afd18448754daccc682a3c4f3189206bf",
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    "signer": "0xF7628Ea36C0C266E289b7538b033fB949A6C31ff",
    "userId": "386745392"
  }
}