{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "957873025",
    "entityType": "User",
    "nonce": "0x9d6daaf0543cf98ef3507572ccb6c473ef716b4da11cbd6b555e858059b5c140",
    "signature": "0x865c4fb0a8cacfb81822451d03b6f7a7ddd5af07c113fa176d39f0b368e840fc3a71ef0fc42fea9bc11d9a845980ef5d6920640ff9f9c87f64cf0c03a3aa28221b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}