{
  "manageEntity": {
    "action": "Repost",
    "entityId": "664721",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb4139fbddb952276e7a7e681f8431b96e69eca5896a1d6efd3cc7157840be14d",
    "signature": "0x0ed18fb089c08e06c81a725c36b759cee2d9a1a5fe58480775ab80dec5bde9a322e2cf5d314e715e43b0ca08d1cc5cb05e0e3647c8b5bfcbaa4b2099fcb222e91b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}