{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "765901034",
    "entityType": "User",
    "nonce": "0xf4debc61edb2dd54a45c0e08aaaa4e42c4a56299d74a86e91ddb4818f851f653",
    "signature": "0xb511a0f73c059d8e7ebb3e0b12032c65af8a58724f11db07ebf1375373b24ea04021510da8be98f408f612cbd3915a17d59aa45646c41ba7475b4a12febc46c31c",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}