{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "126210052",
    "entityType": "User",
    "nonce": "0xbb3991ac4825a3a746e03fe86305b8fabfa502888262077eafb2fbd48a71cfd1",
    "signature": "0x850248589f678929c474b5f94f8bf675e3600f4d1438e9ee14d6473a63a929c9272b19f8e1f472e188a65f6829b845e3ac7b078c765585d5eba5ea6dd6f1ae251c",
    "signer": "0x3B15C1247a5CC34F846b88f0E04B262f39b05C1e",
    "userId": "563285188"
  }
}