{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "39692",
    "entityType": "User",
    "nonce": "0x2b89c0c7ee0a0b6ac4a395e1931f76a699af91adf81b79f6af850413f2c08495",
    "signature": "0xa44ff2947e54ddc015a70bc2fa36b637159375820e93d66655fde194c47e276b4cc0da324631c42ccab49bd40d32245d30bfe9e2d97cebbf69ebeec18b9cdaa21c",
    "signer": "0xbf8E9a2a34545D0Ff9d02769fD943A905c9560ea",
    "userId": "463333871"
  }
}