{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0x909028bb5f98743c9b9eb1e6a26279e63b13e51366bb0284cfdae12436e5adfc",
    "signature": "0x29012bf91b85f237d96c0c304a96adc0c44c0a55e73fee95c3ebcc12a695d46a3440445ad96bd4e70956900439dbbb7751106b238c0f4e18ef9eca7f2ed395b81c",
    "signer": "0x4e9a2420539139720f11D5c209Daf0EABb41574e",
    "userId": "693131001"
  }
}