{
  "manageEntity": {
    "action": "Repost",
    "entityId": "16657",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd66a8ad41754ae9c4e00f05eb9ae2b1af8b2e111eaa9411e61107cfe98145d66",
    "signature": "0xc21999a568a9af0495fe244d803eccf512ca30e32c8cb1d2621499578f12f18f092889bdb6d953121a05c71cc765872f0b882afc45f3d5f532a7864dd9a1a1161c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}