{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "186590",
    "entityType": "User",
    "nonce": "0xe6590a46879b12bcf9ca1ada7aa3318a7955bb9e895e820515d3ac02014eaaed",
    "signature": "0x2ff1d9ea4eb9b7374ac20be4ec8d64858b6af8e5e465591e45a41c74e8a32b3b46197ffd7911425be97f68fa1fdf4f44046c4fe654ce5532be681937780802ed1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}