{
  "manageEntity": {
    "action": "Repost",
    "entityId": "21473",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5343d03c5cf7ac7ace92884dbc4ecc7d5aeb8852408790eef1b7273fed878570",
    "signature": "0xf85c56f6570ae55d5ade9c188f223a8fb555c05cb7ff9ad91017b3a98abd5ecd469eeabfae024571ade66d982bef60d29b7497c90e010e2a48d7efbcc05e02361b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}