{
  "manageEntity": {
    "action": "Repost",
    "entityId": "321555602",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc620925cd9428f49dfd5cdc157394a4956cece1067af87582da39d92faa4524f",
    "signature": "0x0b7d1150287988dc9b6ce23fd118aab4c7c933b1258997a1eedd9cc43eeee0c50d2778987736a8008e5f30c4d69cf7e9a0e8a639874144184cf5d0e3e1a761231b",
    "signer": "0x4993C3631eecd6e8c1635351A99C2103C7d6Be4b",
    "userId": "906184213"
  }
}