{
  "manageEntity": {
    "action": "Repost",
    "entityId": "2121320994",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x511c4849c37f8b9e7bb346b77fb0566be66e9c1137bc8d2ec2879546a79719d5",
    "signature": "0x553907cf6be8421b01f76f9a776ccb4c39d6651e77541e89dedc7d046f1e081864f465af883ce4dacd941cf622bad0705bbc0530594b3f14226a8ef8b88d7c921b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}