{
  "manageEntity": {
    "action": "Repost",
    "entityId": "398998",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb534abe9f447ef219cd83d9d876b91cc4006f2a3d10d904b1e90a981501f15c4",
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    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}