{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2013632",
    "entityType": "User",
    "nonce": "0x0d5e619ada2c2ce05d212018b4a0b3775866ae4dee2d2b83634e9d88e5293f9b",
    "signature": "0x47754fdee23842f3981b95cfd67b6acdba5db0313c6fb9ed6b54d32100f0100d3717940588e1720d152c3ae4ea93bcfc0517632170fda81cf0a5f528a2495a5d1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}