{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "125737",
    "entityType": "User",
    "nonce": "0x26389ad201c7e2769cc675a6fe3a1c7e33ba7d8bf78bfad920deff86e0f8ba2b",
    "signature": "0xc7523073bbc4e14e07f124b06663a77842165ccb033b70ea42fe2c4169f616940216bdd6911f67e69e64a1c0d425b5020c92cb09040b40ac5ad2a2b9b4843e461c",
    "signer": "0x2Df83D15c880275a0138820cE2009Fc85eF32C65",
    "userId": "107618708"
  }
}