{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1504577420",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x6624808df3f58aed2f9cb5ed68ee983dc7c2484ed5d3212967723ccc5686b74b",
    "signature": "0x45bcdfec7905d27a51acdddb564712e1a9f1232605f51829727023250770117b760180903fadf927aacf6852d63cc89f6138472c699943b45763dfb705a16e2d1b",
    "signer": "0x7E7b9c4DAC3F284d889a5bc274eA80b8BA5F63ee",
    "userId": "670307808"
  }
}