{
  "manageEntity": {
    "action": "Repost",
    "entityId": "854748",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xfc88dd87ef53736bc8ecdea8b97e115c74f0bf8912232e1368867410ddb3562a",
    "signature": "0x8b21e4fb974ea259fbb3c420848530a7365379d8c57cd7665b878e45dbcff11218a4d349266a4ff5b0517cf80f9b750628466e760e9a41498d30aa486ff2c4fe1c",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}