{
  "manageEntity": {
    "action": "Repost",
    "entityId": "321927270",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa5f9735e7aac6f314137bed3eef5cbfa71e87eac6bfe456408e7cefbc164ddac",
    "signature": "0xb5cc94bc80582edc55dd8b2ff6356ccb1db55e880c5366fce0c9003f56eb1afb246061026267f25ea5a4db24d42c32af1a81cd5b018902ec3c2644a218096f9e1c",
    "signer": "0x15B9643abE09bd37C52a5BD1dCF938B05b06cBFB",
    "userId": "370091516"
  }
}