{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "39979",
    "entityType": "User",
    "nonce": "0xb57917da14c14c23eb029dac501fd932cb6f19697cf749fcbe627ffb97b7eddf",
    "signature": "0x946c7dcb706eb5a4427dbee6141ccc1aac008285d65f6efbb1ee4fbe863897c949ab1f4b4ce82b45421d071859329d65ada1aace4ffe8cff6613e8f8734099771b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}