{
  "manageEntity": {
    "action": "Repost",
    "entityId": "521902290",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x412d2e6539468868d831c84ec48b6b0bc771280e3d5fda4efa9bb818cb296066",
    "signature": "0x19b1553a1523195cc5dcd655b1d1932b1618503e421103e51c2c8037292b78de5c2bb4ac956e167e2c95ce171ee6ef314d375835b8633e02ab4cc2068c10b67a1b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}