{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "418692997",
    "entityType": "User",
    "nonce": "0x8761742ca13c7ed8ed16e73103aca1c52fab9738c46e03235b8e395d09f026c5",
    "signature": "0x113d8be12201f4b5a4c2f4c9769ca4c3ee25a4c410a56cff30f781f9e4ffa3533be768633a502a03d17abae98a97b26efe1f185b672e7658006349a001296bde1c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}