{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "208381",
    "entityType": "User",
    "nonce": "0xf3f6caf7716ffbe8e6f70406ad1104fd8f40f6ba2c188d50badb708fc0d0770d",
    "signature": "0x3771e6111b05508b5e42b9a1db5bfe19a9b6a6267ef1d57f036e78c107ce809a102ed913f80c055d70680f600839f4662c7da085a0fe29a327ee2620a7302cd81b",
    "signer": "0xF2c19977A72e7f63bBbD9063748E52c002b22f6b",
    "userId": "957488166"
  }
}