{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "273298559",
    "entityType": "User",
    "nonce": "0x0106a7b93cee4cc8cef9fc1f25ffc89a7db5e859bb06689cedec2a508fa931f9",
    "signature": "0xa9277bd1b565c5e2f36ad3362d0cb1e46de6ee411c7de01669d8ab72c0fe9d6e55982f501d35ebfb819d1cfa26cdf1e3d827558ec697a43548166490d75825ce1c",
    "signer": "0x6802Fe39C5FA9f99ac1Aa32F164982185A3E70ea",
    "userId": "152482938"
  }
}