{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "126198860",
    "entityType": "User",
    "nonce": "0x6a2617097792ce3b94245fee5722a812e3dab803e7774a3b801c84ec13b7ba49",
    "signature": "0x3382d5977b8d1486e1d375eefffd09e48bbeb4d8b97bfc89453e90ca1c881da277bfb6bb581e0465acdd074cb98f8c1f7fb1a54a64fa22f587b6b68968ef82f51c",
    "signer": "0xB57F94Ef9a26d73E8b35D3f37FccD18BcC7eeE00",
    "userId": "850416615"
  }
}