{
  "manageEntity": {
    "action": "Repost",
    "entityId": "578792",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4e1bfcf366744133bba53082a9bf9ff90431df3947039850e51d00241f34b6ec",
    "signature": "0x904068f8b46650d1a1d32d0882f0b539e1ed42a6756fd4b70214ad6916e86f3b17f9d2cebeda684a5552c4b2a2dfa4afd3fbf737fde6045e17849674d77bc0b61b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}