{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "206918",
    "entityType": "User",
    "nonce": "0x807ad900dc5e97d265156ec0d2b065a2e511dd718c601dfb2c8184628d6c1454",
    "signature": "0xdd22c323d68bd1da417161a2918cdf2f9d36477598e790d058920ecdbf0fedf41796a85698b4d339be7eed6523a58f68b0edecfc57d722951c9fdfdc41966a141b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}