{
  "manageEntity": {
    "action": "Repost",
    "entityId": "420859",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb88c2c664ec9f75a5a40b3605066e129eb04a69c863b0b20615734eadf7743f8",
    "signature": "0x3d209788e06ac2beaa225aa394da6c2719621cacaf585137c3e874d90ebf0cb472891b20f14663b30dcbcf15b3ccaed549dbf1704d0a16985f5d0a7a1e1b4def1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}