{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1503705644",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x44c2053eb482be923b63414d841fe3cb3475adf9ffcc9c1c89ffe7b9b0ee7541",
    "signature": "0x3bb195c4895bf8b7b8df26c75dba264b4d47b7edf799b6c58ac9770bc561c8ec162f9fbc87a35d6a956245c455372267598883dfc6c7a225c18fcedecae5915b1b",
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    "userId": "77551267"
  }
}