{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "475275462",
    "entityType": "User",
    "nonce": "0xdd3c4e06ef7227f0d15210daa800f797e0ad4d88d09755d88fe91aa3ead64aeb",
    "signature": "0x60969c77d33510d78a878d3e3caa46dc7ad31b61ea9f42e5fa4daaec3ac4b42718a6877f126b1585ec9222ba874d4d8f032748f02d003e4244b39fbed5609bb01b",
    "signer": "0xb68FB6A5ae9015De46D9634e946c04517523Fa43",
    "userId": "134619804"
  }
}