{
  "manageEntity": {
    "action": "Repost",
    "entityId": "637488530",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4c3612c7ea21dbde269b435cbe68ceaa0950bdc5cf09c39155590ab607075019",
    "signature": "0x688f47f429ea0502abdf05a2aeb33ce80376cfc5d13196448403af6ad171b65c5ef461c7c049a4bd436eea19509813cd000cad6890b8b2401deb392d258d98cb1c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}