{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "677737335",
    "entityType": "User",
    "nonce": "0x94de9c7d433a54abd043241efa5121bf0f9e9bfcc1fad3581fcd661569ff5ac7",
    "signature": "0xab1452aafcdd6e2844552a6eb833c48cfa8769bacead185269fb71141108c08968c3f7597d09b6f6e6171b5556bba87e1d95422f55a9b5b16ff21595802c2e991b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}