{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x6b84abb75efe2b237455628b6101cb67c1c3bdf18767e6b33223268a7863244f",
    "signature": "0xa725bb02529ce75a4d3c137b874b9880bba5f60519759b47d92c646710670a7336df4d85175880f45ecaaeb19c2f4dacdda8229465dffde7d64b4af946e7d55a1c",
    "signer": "0x71d0bffb1011D6Adc66839Dd71b9e177a5B5dc63",
    "userId": "722673517"
  }
}