{
  "manageEntity": {
    "action": "Repost",
    "entityId": "440739",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x34c0be19c675a8481fe8035f350b8a2363548ed0bcb1030fdd09b1e4e1830f40",
    "signature": "0x99f72b5127aacdf336a952594e615b25cd27f9fbed38c1a8d124c359c06910e97302d1b192f67b029c60701abcad637fbdf54e610947d9f8d63d4e003b1ffcd21b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}