{
  "manageEntity": {
    "action": "Repost",
    "entityId": "471508",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xf9cc8a54e7afbb4963629b5c2b4db920b4d42ebb258578fa839eb5a521dc6a62",
    "signature": "0xf4c74846991e81e5ce32a36215c01ca3a2cdd701a886f548dae0f56065344c316dbf37ec0be996cdfcf3347d66e099405336dc740b282ceeb776ae294215d3841b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}