{
  "manageEntity": {
    "action": "Repost",
    "entityId": "439597393",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5157e71633aa5d6729fecce05ea598e2b54fd79d44f50930adaa0b2bd11dcf5d",
    "signature": "0x18f8b3b043fd7fbd5d217787552402ca2550a54df9cb8bce486c69c0d2e789d767bfe55e8d1d38cdb232925d92bc2074167ab610351f352f018e59a4fc62a4af1c",
    "signer": "0x4E3828bc809fb5B9deb81fa536cF73Dd5bF4eeB2",
    "userId": "185184169"
  }
}