{
  "manageEntity": {
    "action": "Repost",
    "entityId": "538098",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x840cf2855bca57b2b2e8fad78cedad39517d63c52cff018daef6df1379ba4e3a",
    "signature": "0xfb452ac5db8d9f2a230a5f2f1e6a23c01e048728788c579dc88581beeaa05aa1462f3bfb0f65b355798af24bf2a7cae7a57caeb6cffaf9c5429257fb8ada60311c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}