{
  "manageEntity": {
    "action": "Repost",
    "entityId": "491734",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4c9d87fb53ff3fab7cf114214b934d7c4456844660542e0c1b4711fda180180a",
    "signature": "0x99c57a49f41c6403bce574bcd7ebf545370546bdd93c4a5ddba506ed3cf033544cd6ccd043f41dd6401d7ce6f707588f98767e6caad961cf7feb8fac27a4e7ac1b",
    "signer": "0x136A4e19270387bc21d7e58a9592D46864B0Ad57",
    "userId": "956002390"
  }
}