{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0x9dd5373d0b2a8c7b6b9a59579f6e5575fb4f10ee3c06624307b732ddfe40dab7",
    "signature": "0x10e1d2844b7360e20f9813d3670e67478f38397e69d6779cd35f27e4ffca1a6344b4246111172f52162ac77cef1d213fe4185afadc5efdacf0b8100135d9e56a1c",
    "signer": "0x9dc384F3A658d5014BB7edeb7439D726D7901fd8",
    "userId": "246125521"
  }
}