{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x124ee018eaf11a8425d357445b4295c9ade7cc112f425484bf2c2c9330de0b44",
    "signature": "0x72dafae3a476d38c21a28c32059b55875b0400a815a154d96151da668bab687a3b261d7bd656d2661f0c0b6d79905a61268da5b58d2dec993557aeca641422891b",
    "signer": "0x62d4816874d70b2233b74F1A103Bc646d08CeCE0",
    "userId": "724707352"
  }
}