{
  "manageEntity": {
    "action": "Repost",
    "entityId": "545860",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa589a229e3b7bfcd26db8e370bb492e28bf6f34bf6cdda001ff812d402d533fb",
    "signature": "0xe01da4c615bc879e604bd3ee7c2e9111159120fcbdc5092e5ab4b023cdbb0aa1654088050c7b8a57b45ec0006fe2a74cb092e600ee03a63b9ecbd8e53787d3bf1b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}