{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10298",
    "entityType": "User",
    "nonce": "0xec1934970302846c87adf05be0c877bfba9833c1c3780e1296db3b68d9684b07",
    "signature": "0xd2550aa60cc783f7cb1e5c8f3feb0fa39a6748432b7688c704b0bc7b54cca4814de976a66f2144cabfc7b44ad250e4d1d9bf9a7e5197cd0a818c40df2ca7a3a01c",
    "signer": "0x91a5e115A87c5D214ad11fadb385e7a8006DdaAD",
    "userId": "673296061"
  }
}