{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3242",
    "entityType": "User",
    "nonce": "0x580031d459340ad47fade0581fd755c6102cc19875da17980825d5f678035fed",
    "signature": "0x2681a123344076b00579544dba91c0fb3f2fb462b617cd07e69278491b862edb62f9b3aab8ac5b62d9698d5979509f6c0f4c54f1cf29611d42d113acdfb8ceb11c",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}