{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "292301",
    "entityType": "User",
    "nonce": "0xd575439af9057248c399d3dbac6c8577ad993e9559c7756d6877b869970ea98b",
    "signature": "0x7d8160eccfd71585b64a0377b861635b6a0cf0916fb6deb2fb7962f955ff23765794543e4c10d46b5cbd12e45872183eb2c5fba32784dd8d21aa5514eca90cbc1c",
    "signer": "0xb5e3FE92D5509E5B142206f348Da826a24C55705",
    "userId": "952521393"
  }
}