{
  "manageEntity": {
    "action": "Repost",
    "entityId": "769445",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x259dc987fb8804eb66b43923ce5d6c644beb5e43da06bc26de48f4e481b1ce03",
    "signature": "0x15b5f781be79bd95ca7f47287200d8ffd0bc2442a1f76fd44651a640d1994b496fa14db5dd14dd71267b809940c57604272e9dc1492b86107a35a2d76cc05d7f1b",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}