{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "86711",
    "entityType": "User",
    "nonce": "0x04e74f8f026b81af8c90bce85a91aa82b29fabd7c44c65f5b8d4dfdd7fd64e28",
    "signature": "0x77de6ef4e55953798fadf78d4291f0505ede31bf6167a815ecf0199279e1ab623e8dea5a8af6b870ef51557610a77d3b6648c9229aba0ea824d41b4b07eefedd1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}