{
  "manageEntity": {
    "action": "Repost",
    "entityId": "578871853",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xbf6e977cef58f213ef0f7da66386671467fb810d65553edabb272f19a4be5812",
    "signature": "0xb2205766b508e1664a9f5880b23c18716533584d39de9e7ebd77f28fd8a6d1277b7d92eb434028d1f1caa5be26dafb9a4e63ec60f1645035f10e710da1541fc71b",
    "signer": "0x102a924C1c076Dcb5816d20E32Dcb6F00e75F2C9",
    "userId": "485987672"
  }
}