{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1456910212",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4b5d5dd598697cb3564c87429fe02345bfb562e0297f21d7f3799355233a4a94",
    "signature": "0x78e0ab8619f137a5cdcb8bd3bc3ae9c4f062f20471b8e28d1edf06f6bc747fa944ccd0e959d6ff7d76cda14db61b70f84212281fa0defd1d42c566ee336aa1ac1c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}