{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1551511367",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x75f239a443124018416743d04c3e5c790ec91a67cbd4237093a76eefee94455d",
    "signature": "0x3237ba50a358097cc0b11818235b1153f3886749821cd103c4dbf24ff4d5064704f188d158c73694a21edae801d00a05ab1ce4c5756de4161a0c56068838d2001c",
    "signer": "0x4A3D09CdfD42dE4C57dc67B09a40B5d9172bD69f",
    "userId": "787102835"
  }
}