{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "175067",
    "entityType": "User",
    "nonce": "0x5631a3aa84d6198b7570fd08ba6682bee3edb00a2ad2a73b698da22a7075b439",
    "signature": "0x08c8794af98ccf21668b1da1cf802fc89a2824f95de0b1fdc075b4f6427214ee40242d53b487c44298f35c45c931f451c3496c59cfbb0e0b74fc47b487b5c49d1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}