{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "112114",
    "entityType": "User",
    "nonce": "0x8fecb4349fd1d73fbb9a0634ff6706763b402508a6a5ff380643127a4bf12b91",
    "signature": "0x6e31c57b881e1a37732f6e935a56fabc341d869a128fba8abc4ef571ee886c6f7c0e8e5f032d5f1e9ee966e1236c8eed2f7af23f739ffdfa2c93131eeb34e5f61b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}