{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "163765",
    "entityType": "User",
    "nonce": "0x97f7e88a1bb883b956b2e64d0051c6573fb401cf9db90e6e329aa5a7d0ebed73",
    "signature": "0x3ba3c45d93a907744db4feafe12beb577f937df2bcce30f71a70d1aa763e302d7de4cce33088089d094081793b789e24234f41f15169e382f8abb074dc6230361c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}