{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "584616263",
    "entityType": "User",
    "nonce": "0x0078cadf1b892082b6ff3cbec1376770dca5d1288eba16ec31dcdb889806c37c",
    "signature": "0x2f1eb79adf9bdf73655b48f92621aaaa5d3ab9974bbfee4d523dea8ce133f6f83f9085d88a188cd63397a9b354faf5a6e45765275d5db5dd0d809d7c61e0ce891c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}