{
  "manageEntity": {
    "action": "Repost",
    "entityId": "559540256",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4296c01dcebd9fc0d8c238ef0d0cb6cc2b215de1ba3e30a06f0bb7c423dfd6a5",
    "signature": "0x178b1c46f1eb5fb0958dea9a1d1382ca4a68e4a5b29e8019af1881eba5ff96fa20393d376cd339da3c8dbd1c8754719072adcf4d632f8ebed2bfecf183fa3ab11b",
    "signer": "0x64B0DA55A684D51d3EF114Fe644eac7db132fDb7",
    "userId": "121304325"
  }
}