{
  "manageEntity": {
    "action": "Repost",
    "entityId": "544189",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x75be9f259e897a2b094a893dcd1bc699638094eaa9d2de78643d50cc56b7dcf0",
    "signature": "0x58eacb9e9d9d481e785d7ea8ef9375cae8e128b2a78d79eedd9aadde054be515583599834a6a163b722e780d7326df731801bbc26f9dc702df5188b1d7d4757b1b",
    "signer": "0x9BaE2e1849D39772019b4AC3468e938a232f73ee",
    "userId": "948584098"
  }
}