{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "456716469",
    "entityType": "User",
    "nonce": "0xa81d2680ae272a5620553853e2dd99381b7932f672727adc664dc69b062f3654",
    "signature": "0x466cda8fb0a14b7e2e501886a02b57aeaa796332526ec15143442f7ca0a3e4192f529670253c24a97f293b51dbd0c9e7b7d2e34eecec666e64285962691c55ef1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}