{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0x78939eb608345eddce020f28af80f0f0fef400fa3ed870cc4e48119743b07019",
    "signature": "0xb11fc03e181aecc83a797886d051b93b5e7e18456524fe24029c328431768cf30979f7268171e7fa88ab1b2f14d199e734987c9693764569f3b7f61f2bc3e22c1c",
    "signer": "0x99349974a285BA4Da3FB67Dbec77e3f462a5E306",
    "userId": "214996084"
  }
}