{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "6773",
    "entityType": "User",
    "nonce": "0x7eb094073c709e7844238fa284ef678ba500004f7e94e312eece76c3d9db5c98",
    "signature": "0x8ca57a8338108470378a6eda3766b87cf1946f6f782508c9557de709176f050b2a09bf26a7ca324ca0c440130ff81f6d04e74d7ed80a8a5ffb4ff029f0d167881c",
    "signer": "0x0E5E64AF429524C8BFf63b8e92dC2709D672C436",
    "userId": "362390392"
  }
}