{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3027",
    "entityType": "User",
    "nonce": "0x5e173e5c2e06c09675d797fd5d5517c4185e32097038efcbbb1053f36fdd7433",
    "signature": "0x43996dffd41deb76ad3c042fd4887f750909b868c51d2c50f3eee22d9d589c2d44b1b48d07ddd7f35e7a8e54854fd4b000f8a7035f4ceb1a5bdf26f405d1d6521c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}