{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "775959",
    "entityType": "User",
    "nonce": "0x87077b1907deae4b6f5277a056c45a61cd479228e82111911d06b46c20e53bb3",
    "signature": "0x29bf6aaf5b3fae4b999c8b0ef8357084901921dbc21ddab2b497ac4594e1ac052ebf93961ea33a84a3e21efc31f30a3ef04221ae62ddf97498b511abc63b3d2c1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}