{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "693608897",
    "entityType": "User",
    "nonce": "0xbf0f9dde953d2e46af8a6dbdf7c2d139e996e54a77c549c385b3d2024aa56d3b",
    "signature": "0xbf60e9040492b69dcd5ed52689964bc381f5063d9c80fa686844bcae024cf3b96cc6c8b0e0d77f793d53c5bec8f056d7d4461e147ba1ca956ecd75b459aaac081b",
    "signer": "0x229a981Eae98657c17Cc2a4827328E1877eA40C0",
    "userId": "281682"
  }
}