{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "388695",
    "entityType": "User",
    "nonce": "0x88b0d4d57db192d793b5e8ae97ad7492ba16b2c1339f9935680bd97547e27f1c",
    "signature": "0x3cd3b2e7f2621da92d906fa467d23438797b329d2577989feb4b64876b8e2eac19b0ded7be6896a90225f00c13229865a34b32ca5ad878f569f233450e8e8c2e1b",
    "signer": "0x6015AC6ad37b0328C10a529E70348751FE8ffF41",
    "userId": "176201"
  }
}