{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x9ca81a6568b7c58445df7a6997bcd1c368c6aabe84f3021b40bf0c30c348dd42",
    "signature": "0x8e1f99a7a19a38d5ec6ca111c6369f1f0f88c284be76f216419d66b1452fe97d41e97e892dddf30e4b1e6e6474c4fda78ecfe8674235865962890c879bab51ba1c",
    "signer": "0xe3eC74910EEa8577CA6cFb4cA388276FAfC09834",
    "userId": "167845231"
  }
}