{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0x2bdfaddd7dfb7bdcaaaea8c5f7f7b37e70dafe65f78d83449b278165b77b07af",
    "signature": "0x2d4d5638879b560eddbfa476bd7481c45158176ed8479780e4fb6bdde4c666af227a3590b5ee667d79c5949c02e40a28247d670d5adede80349490327aae045b1c",
    "signer": "0xf4e39f23021D832A7D8e37A3e280Bb0E5bC75bFC",
    "userId": "406892069"
  }
}