{
  "manageEntity": {
    "action": "Repost",
    "entityId": "281748192",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc9bd5d0e207650b870b7274a63df7f65db004c41a758e6aad38ae5671dbfd84a",
    "signature": "0x968307f4224a74e03711ed92f519095aa314d580f51ccbfb542816ea409610e0372b56af89ef313341c310132fe8003fd926bb5b84d5fbb5ff42529b02a0bcae1c",
    "signer": "0x1F9dC682fadBAc94c0Dd4ca2232a3f490704a737",
    "userId": "737872723"
  }
}