{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "240841",
    "entityType": "User",
    "nonce": "0x390c8ff2a93eaa3c93b3a6b4c2803d1c7d49df471ed8e7f12efd2bf13a677d38",
    "signature": "0xf7d056ffeee0cdf6e650f534448e5a10494cfc26692c3805004fe3c84837fa106220eb52df29fe3003b37e813b9cc03d26edbadeecd7fb9ea8bb2f9852ccc65a1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}