{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117540",
    "entityType": "User",
    "nonce": "0x15fabe4afd5675b458e69bd84a4edebed58a54fda08d86b448b0be87ca029b26",
    "signature": "0xb55201ac3f7e9e7f5ee772637d522853d78b980eeb083ccf645054fe915c9ed901795bd83380b72b64ee6dc1ff72be286ab09f04e025547bd498f1b473672c891b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}