{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "119817",
    "entityType": "User",
    "nonce": "0x449062ed78d93888dfe59cbe0bd0164d2bdb2b582c0ebf92541765cd11249130",
    "signature": "0xdd03474aeb343d1f4c68ac5cfa4de0a2831022c626f961f5d7c12c7b0b22cbd816952873b4c7f5b7a87a9519c659328667ea4f451552e19d3089b0adc6d870011c",
    "signer": "0x9BaE2e1849D39772019b4AC3468e938a232f73ee",
    "userId": "948584098"
  }
}