{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "374378",
    "entityType": "User",
    "nonce": "0xfa54194525ca73b9fd7035a6458594d40608e73c49db60ac1bc994db7ab28720",
    "signature": "0x90bf80f6b12c5e3cb3718d3043d510980349d45c49ad0ac1d59cf41166ba967556aa040e0517c77415673d630d51a4953c539ba863c24e5412f5df0e7f9517061c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}