{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1039",
    "entityType": "User",
    "nonce": "0x993d7d5c2bcb18afa61665673fc2d8f82ea6697abae7184d9bbf80c23033add6",
    "signature": "0x27219411e8661f153686c4715f623eea51115c196b7d3e4c9e585263dc26faa55d3a8bb2290b7740cb1cab9e306ce74bfa263982bfae360354ffc74864cd018e1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}