{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1589878521",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5141d30af77c2f3a7de08dcaf3d1594d8605d1cace141fa45b74a7efc43af216",
    "signature": "0xdb900dd6f39d7cef4d3d35cd3ad2f57f3d4cd06d3ee4e811e1efc661cbc8117f1f4340ad0a1f51d217320d2ffafec1306721c1b47ae3e99751679b9ead0df5b91b",
    "signer": "0xC6f6979d7215C4611Cd7aDb30a42B2812294262c",
    "userId": "55290787"
  }
}