{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54277",
    "entityType": "User",
    "nonce": "0xf3072ca0465bebba1cec4625158ec3a52858f3f1ce5246a3ff1417c52d158a07",
    "signature": "0x2d717f22546456e3a91e6d484c9abc4fdb988620054481c81bab0c758a9b6b16637b58bd6202ed334d2733ee05e8963f5b4e379cb63122b175c7c828be9bc52c1b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}