{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "481498586",
    "entityType": "User",
    "nonce": "0x2ebbd99a8327250a2886f2d949ce00b7c8f8ad39caad2663b524207f2458733e",
    "signature": "0x5a0348609633934c0571adb7e658baf5c67a2b7768ad89ccbc189753dab70e4e15c95d1fdb6f7480b4b9dfc0d25517fa5c7f46f3caabfa31a9886d3c404390b21c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}