{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "368981",
    "entityType": "User",
    "nonce": "0xf7563ae855da77299a198d9b71ba5ffa317883bb2bb4eb6a3b5960cea754d049",
    "signature": "0x24549b89bc352c80e6e2cce91b743f108a2067510efe24e987a8f1462c9a0b3253fed75e01a76a8469743ab8debb47590bd253898e26d688d5eefa1af21eadd31b",
    "signer": "0x7cb443E1D882339Ce2Db89944ef44929E8E2F578",
    "userId": "343301"
  }
}