{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "48853",
    "entityType": "User",
    "nonce": "0x8df36adf1f7adcf2002564cc1eaa2a5060956f6c3c7560bc2b82ec0bcf529feb",
    "signature": "0xb02969d827a8b833849cea3a36ec080dbe30f1bcf82c3fff8af7633652dc5d3e2807e4692cdfd03875d355cd00db42a0e23f71e622b1877a7beb061be88e04481b",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}