{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "97654",
    "entityType": "User",
    "nonce": "0x1cd14883445d093aa63b626f038613f5642c9ce7e6d2caaaa2521937b821c4fb",
    "signature": "0x9250319e69b10c5002c56c6054e99b3b2c7cfcf8aafec1f8d07361e5702a2a0859d948db9c7fbc90d912d7bcf09ce44c97f72c49d965ac1f031079bed8294ecd1b",
    "signer": "0x9BaE2e1849D39772019b4AC3468e938a232f73ee",
    "userId": "948584098"
  }
}