{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "249889",
    "entityType": "User",
    "nonce": "0x9f9e0d6cbc97eead1c365ec180ec8fc6a56174802eb597aab1fddeb174364d2f",
    "signature": "0x0538630981c7d21630cc381f3f115455c65f74e72a87f8580ec3f1e9e302389a275d0e7a962dc65975670845b8166267af84d46b735cc7321d26930eacaa78af1c",
    "signer": "0x2Df83D15c880275a0138820cE2009Fc85eF32C65",
    "userId": "107618708"
  }
}