{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "992135879",
    "entityType": "User",
    "nonce": "0xc2959f2aec6a00580dedcfdd91f0cc780c6d615975a69d997f0b09200a637137",
    "signature": "0x767f43dc125c31f279048e03253260a8e015228eafb02dbb053b6f4d4023ab0651e12a88fc4c92f3be856c327915d866fdd50bb213af01833075d8981cf2f83a1b",
    "signer": "0xC56E1ccbA93c1E645e5F27Bf8A5ca13eB7A5eEbe",
    "userId": "335878078"
  }
}