{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "333763354",
    "entityType": "User",
    "nonce": "0x7c150e547edac98e90bd3201300a6c2d4f26a0b08d1a588cd03d475f2136e06b",
    "signature": "0xd9c3fff80068062e91d27f35c5ef487e9f7dde6f919a55fac39a8ac642921b542f29fce0c5408d59584744f7e4b387fb13037d3268593f1627d47982a33fda8c1c",
    "signer": "0x8097f7562D3D2F9cbdBA391c45c0D376E438625d",
    "userId": "51978829"
  }
}