{
  "manageEntity": {
    "action": "Repost",
    "entityId": "772109",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa8603ab4328167cb9d08e2fad55689c8203c8328de5aedd9468d589443c5a850",
    "signature": "0x4aa2e14dc06e1f4f759459ce4a895d8b038f6d6bda384ce344f330dfe1cd6a2b2b5cefda3aa1e117cb07fb583f41e53ff7c0ddea654fac6776f39d3cd28387261c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}