{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "841756759",
    "entityType": "User",
    "nonce": "0x8e11fa6aea4cf97be466c2513d9cea5dccde9a41675b63fe35eee2c93a406817",
    "signature": "0x9b2beeb0fcd73a427eaaa11e162a1fa71c9dbe05ccbaeb37c558f452ac7c327258af195b73a923a52a2e6bd15a704ee93cb9dcf404754d8a0fa7b4bae42553551c",
    "signer": "0xeD4de8C7aEdcca7a62a5E17Fb9DF5ee4991E5b73",
    "userId": "209405413"
  }
}