{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "984215347",
    "entityType": "User",
    "nonce": "0xcffea38aad936728946faaeea16afd286b07fa4610a1edffe1f0bc1c5fc4ed11",
    "signature": "0x1739b56453da847f29f1de09ca48f728656d2098f94e7ade91c216aedeba1b4c7cd1a05a7abc7ec983583913e0b49c03987ba442ce006ea9e641d58cc85e18351b",
    "signer": "0x4a4E686a6442e2Fc2495a7d4363B25c583Ea3c3a",
    "userId": "34815"
  }
}