{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "659687",
    "entityType": "User",
    "nonce": "0x24ef02f5318c73e6319270ae351633daaff0e6f7931a293fe34113258b3bb224",
    "signature": "0xe6c726ff9ac423893b838e85bc7be5ebb5265833e7ff91c8c9aa907448bf818b78359bf9d1d3969e12e5d4efb2d0cfb857d972869ea15a9cbaa3b1b776ce60511b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}