{
  "manageEntity": {
    "action": "Repost",
    "entityId": "657480392",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd2b70ed0b4677431e4355f2538cc477b34678f0d0c5e6f415aa1e06487f4fd0c",
    "signature": "0xe9a34e76972038b5162a4cee27eed2363cb090dc219e625ebe26fc315c70120457d8ddaed51351dc057b0ac04ece3ecc480b347b04386fb20a4fa36c6e53bf0c1c",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}