{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "43430",
    "entityType": "User",
    "nonce": "0xaefec19a73380a15026125de59e61e92f6a55ed26fc47df8d8bebdda1b44a07c",
    "signature": "0xdb9af0b0c1657addd5331532068e59a062ac99298679b612d1623fd00a8c55a218e0d5a63d0c0b53e2a5dfe522e032c2ea1cf393c0fd95b14ede848a4f2f8c881c",
    "signer": "0xa1cB707a6e6c37F991927639d7aD8433D9024F1c",
    "userId": "533069671"
  }
}