{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "693826",
    "entityType": "User",
    "nonce": "0x3a89f137aa05f45a141d6e8d97ee6e3f53f742447ccb7224ebc11c07bec696da",
    "signature": "0x40a790719a2055d545625e0958b19180a74b03e9d4f815b22815d7201fc57fd112656eb4deb50cf6513b5e5df519693fa423c6ab6883a77cc4cfd0ba6cf479c41c",
    "signer": "0x8fb06be829c5718Bb968af1525d910B795617ac0",
    "userId": "950478625"
  }
}