{
  "manageEntity": {
    "action": "Repost",
    "entityId": "509254",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9f83db3ab77f23208f71a713c559cd040ca0307ad5ab8f4b3fccda9c8c284386",
    "signature": "0x44c8d8fc788f2754e494aa6a3bad7b242678829a235c3529d3c170b55a9e0b1d7208c33998f0ccb9da5fceed91904b910e8215e7a294af8997a57880020102ec1b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}