{
  "manageEntity": {
    "action": "Repost",
    "entityId": "621510",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb705d4576b66655e591373ee29acce23df55c75c51e4536fe8a38174c603bdb8",
    "signature": "0x09dfe29d10dc17395be0ab7a1e9f6376091a668f1d052ab2e07c11c2b918f9cc48e0f6f29ce7932777152ed82e4ff2b5a1637747bcd578576341286986e25ef31c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}