{
  "manageEntity": {
    "action": "Repost",
    "entityId": "18990",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x505ebfbc45bcaf51ddb19c6eceb4b6556bd1ab111d9fa4e17ed223512a44f4fb",
    "signature": "0x7c54a09eea3a2568b43bcbae8d6f335fe823e5fa588c7aeb715d7aac2f30abfa140f452e26d860d84369a00031007f91ce147ee659814c3704099ab263296d391c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}