{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "302949",
    "entityType": "User",
    "nonce": "0x3d8a63c34ec1cfea5238d27175fcc80697da8b8fb7bc52adc4caa55b7b8aaf6d",
    "signature": "0x8754458b8c7ac599d3740d06516620863d91e13ee03c477ee66976d52437b7ce72f589b28af586f274b580a667588e02d75a0c98202891005a8eef03f9040f341b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}