{
  "manageEntity": {
    "action": "Repost",
    "entityId": "514568771",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa76ec5aa8c0d454683b83b85980ef3ef0fce1b216a773c153c78f620968eb411",
    "signature": "0x34d9bf1647c3b1b8e8ccd08e9f01099ba69bb9e370390638a099dff1119700d32fa6b5ea8f7d1f907a24d841e53933fa954b57abc02fc69c3ed18b5249061f041b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}