{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "157194",
    "entityType": "User",
    "nonce": "0x55fca91e5f6391271b38038f240db56be02e908df49716e73896aa7233d27846",
    "signature": "0x2029420c818bd938b42d1368b659fe108278ea1040ce4a540d11c82081c3cd9a62f315e9886119704653aba8b0f3d7546ed9fd67f1fdd3f9726a4b88fd56f21a1b",
    "signer": "0x1A99bcEb1277f1d90Ffa77B2c480Ca93a4a4ebC4",
    "userId": "852344394"
  }
}