{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x099cbbf2e53f298ad2e401e9310dcaa1cc0f92e20fa3694a4776bbab604d7e86",
    "signature": "0xb70be89e80aea5ad425a32e491067b941280539b44b775431bf89d4d2a50d72710ae77bace19cdf5be9d7c15156ec560ea868698fd3454fc94a03ceca17d6f1d1b",
    "signer": "0x03216709b3C72cC48C8Cbd8E8100689b00Dc5b63",
    "userId": "530432949"
  }
}