{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "164969",
    "entityType": "User",
    "nonce": "0x7e3b917a988400ded0289374d2adee1c99c1833ada3ffeb05de38aadaa69bbb0",
    "signature": "0x9ec4ca50915a00949486547b1bebe25d40029db7705857f676282be57e6d397869cd0e74721b5e93b365863058bd4f892487472154642715795a5a3dc1d432be1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}