{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "376285",
    "entityType": "User",
    "nonce": "0x2e7e87d14fafd4ebe5cfdae308e68726ae6e4f83355d7289a95221f31d2ddf15",
    "signature": "0x7085ec777bb253f076818ec6ebe0a6873845359557019e6458157af6b2cc5adc70d9c02c2ac4dc9689701c894fc4f8d4f9641cbabb001812dfbdd94f217208211b",
    "signer": "0xC6f6979d7215C4611Cd7aDb30a42B2812294262c",
    "userId": "55290787"
  }
}