{
  "manageEntity": {
    "action": "Repost",
    "entityId": "721788",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3d3c0985e8c71dd926af93350845e462660f07e3b131ea9ee0846c7415703660",
    "signature": "0xf14ada259fc3423da9e1123dba53133853fa0c110e95cd03a47f8d32762fa3f403eb2d27b15a4f78937e181222c735632002f3b9b56accc6f42284fbe30aa99f1b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}