{
  "manageEntity": {
    "action": "Repost",
    "entityId": "300651",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd4ccebf754c17a40f36e5776a0eb342dd6b8e84fb739ca38d5bbaf6ca13f2418",
    "signature": "0x520f4933ef7ebce702aed5eaf635900fbc40c57de2863b0794ec81b70000f72029165172ee16319988993676120e37a602ef0cd07e1bae997a40a657609832061b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}