{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1557436008",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa44172728766d3edc2dd43a48eff4fc69c537169e8f912fb46cd05d379b7c95f",
    "signature": "0xadacb47044eecad2847b417d5782c9a78299d82a3325a72f91501803c556e3cd3e1367daad5dcb1472dec6fa707fa0d78ede39d9cedceea58ba9372c9b1d6e9b1b",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}