{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "60973",
    "entityType": "User",
    "nonce": "0x0cba19c96230474e9db6907367b3cd43be0c6434e5eecb8ee8c05e0d466665ca",
    "signature": "0x44360760b1e3ca0e09c2825edb919584945394e5d7ca1b10b9f2e4b54268805d497471f80ae92cab37dbada834d2c4c8b40d1156b996a81444d8ea2373a493581c",
    "signer": "0x2Df83D15c880275a0138820cE2009Fc85eF32C65",
    "userId": "107618708"
  }
}