{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "682798637",
    "entityType": "User",
    "nonce": "0x33dcb414f7604bc2269fca9b53fe29962c0e1fdc637dd587f909eecd4667766d",
    "signature": "0xc6e7023396b095f10615b25635ff8faac67724352425bd27f802ee4ebca9acca42377a303ab695a0d22f62b64eb99ee014750b440507dddb2e1e47728c6dbf651c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}