{
  "manageEntity": {
    "action": "Repost",
    "entityId": "638885845",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd704da77a22e1d6784bae7803ce9541735bf30b02b68afaed753f6097d1f38b1",
    "signature": "0xc61cd2e4f4a47186ebb6ada811e7866d53a40630dd61bb1b19c027e778c8784d6ac3dddc026c21782e4903eb1121dd797008c43a051f766623d5833b78c7688e1b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}