{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "895209133",
    "entityType": "User",
    "nonce": "0x3d1daa62019e7da20c906c306e4c91e796c2b16c099fe46b5c249e35f317c132",
    "signature": "0xe7d327ffdffdb804941859b4f08ef28e337bd34117ffdba103e6799c03bb484b334275d7dc5d2646841c9b74fddbe2a1bd65699391caf9c574a33194de7010631c",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}