{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "406225571",
    "entityType": "User",
    "nonce": "0x809b6f27a16524d2c477b342437bba679f10fde81c97aa2bcda50f86eefeb0f0",
    "signature": "0xd553f6df2ac973484377eef1faaeb5cf208e908e29779848d18cfd5bb542c72331667e47ae131036224a6963be57366272eb51f28f66b12377e381e9edf5e1c41b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}