{
  "manageEntity": {
    "action": "Repost",
    "entityId": "509013387",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4662ba4e49b029ad86ad35b0878be5174908f34b8fd32e376d9dde83dbec22b9",
    "signature": "0xa6ccca4a0049bd653f9b990c56a8f0bcbcd261392302c3c41489dcb5c7b98d2d1227ef12a0c887e83e160f49c246c36b842184f695f205f0dc2bb2e97ffec7fc1b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}