{
  "manageEntity": {
    "action": "Repost",
    "entityId": "15643223",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5c9232a3c92432f81e5ab0d7f39cf77c2ac6c89bfb119ec38e2e68f006a9d5e2",
    "signature": "0x86f2e1ea94f2440e5b3eefd33484f0764532d3a60034cd479179929c8d6febbe2716b51a90204a217703ab5abb97c66915ef1ae0e7280341946725fe328fcdd91c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}