{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "175823",
    "entityType": "User",
    "nonce": "0x51fc92066c60a01c086af1a5c941ed03f9529a7967663c86d7bbe45d5e1cec81",
    "signature": "0x2ee30a66e0f48217deb5a2238dcce232a84629c9077c1398b718b6f2370064e92eb7af187735fb0a4a13fe2126aa03cbb069d2af2c0a7731dcc86d980a5782b31b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}