{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "146510",
    "entityType": "User",
    "nonce": "0x31f0ddee472eb97243730d398675e922e829190828462b1c9be655a7bf621729",
    "signature": "0xd8e1849fbba3734d2293dcc9aa818483d91de490f6d25a4b02f672840dd5a1f6102a38311d2caa0072a0b697877e0a4047b173801b78ed18ea72d86c4a6bc6451c",
    "signer": "0x6818B889bFEAe14D2ADdaC4dBF0eAe75779d7Ac4",
    "userId": "341292657"
  }
}