{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "806124058",
    "entityType": "User",
    "nonce": "0xd422e44aa659e027a984afc62e0da0bcfc32d8ad844ffd7566b3dd9f07810181",
    "signature": "0xf467bf2c7399f53fba393dc77cd77c78ee6ad1a5e227d03bcd9400f31b5b55573fdd66f3255bc59d3ff8fa8b75ef0385df85839bbab261a583a7ce031b0c24c61c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}