{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x26451acdca8ee16f021c46ed5a8728893b795f9b794fe0216175c61b8b207127",
    "signature": "0xa2d9b3db63463e557c0aded82cd6781ebaa824843b0f81f5e048332a2993d0d44d6f3ef2669a33348a8373648557ba2d47ea221dec296b141713f35ddc56d29f1c",
    "signer": "0x2230770EC85946F97685aDECD4b734f51662F050",
    "userId": "887741865"
  }
}