{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1621829438",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xca521a4a46e68f7563fb4b51fb26d44569c086b9bbe920bb2e054ea11371287d",
    "signature": "0x83a40e3e82da9daa80b9910f137c4edda574b89a02298bd8c03c3a82779bc34e073f8c03351f4eacc529826d4bb2c51da1964538e79fcd371b01ae53adca4e831c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}