{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "97654",
    "entityType": "User",
    "nonce": "0xff11abff26941bf80cb474ddd73ab6df7c1acea9a7d6b9ac1bffdb07a9bdefd4",
    "signature": "0xb3d96f76a61b984dd53397bc26810e47c4f723400515001bb4e3da6e14ddda344d18f3c765b38b14dbe9272a5117d1c7543bcbd16a215bf1c996cbd3ca24cbf81c",
    "signer": "0x9765cbE8e26a2c6c4847C1B69ABeB0B5250EC254",
    "userId": "678556080"
  }
}