{
  "manageEntity": {
    "action": "Repost",
    "entityId": "758873",
    "entityType": "Track",
    "nonce": "0xf8258cc6e32bc0e8f8b83fdabe0b6a214f8f2dd765c711ad3dcefd8c5a4c3c7e",
    "signature": "0x8b265c7e3494bd7674670ef8ccf7a9c712e814693f56c9b11215a503f53c087c40a84d363288342aebefdb30195081a106228aba80da975196729c079d377a3b1b",
    "signer": "0x15B9643abE09bd37C52a5BD1dCF938B05b06cBFB",
    "userId": "370091516"
  }
}