{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "38277",
    "entityType": "User",
    "nonce": "0xf627f6a41238fab98da58c688d93550c48aa6088c0a78e6c13a439baa0d4cfd3",
    "signature": "0xdc23bef3ee8eb1dbab0bbc03b762c5f33aa71ae15b62f37e98258037583f243f00d06e6b56368cd9f44a8049f532e31f5b40fd8731e049f44cd3bd213e81f5f51b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}