{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0x3cc59fa343697926de7b0c73aae7973cbc9e030585548cffa91c947286e8ec53",
    "signature": "0xa8c716996a688cfe603e635f16107d4f369f56e1176ef23d8b5ecb879c980f43668ac77098bd4e40f633b90ed7ffd42bd3c1b899f2720f326f5024a7ec762faf1c",
    "signer": "0x22b4CD814353E6e4a3292C4D20580e3F57d63b16",
    "userId": "993194611"
  }
}