{
  "manageEntity": {
    "action": "Repost",
    "entityId": "664536",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc1f4a7171360e7f8078041e230162ad309316d52cad04fedeadbc2666914e2eb",
    "signature": "0x9e15e1272f39bbe6923f75c5a5a0e91318c91a5137e4060d1b1b9223d0e532e26ce73b75193379c55de016934f91cfddb45bd0cc9a23cfcc4eafc8366b2b5f9e1c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}