{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "965637",
    "entityType": "User",
    "nonce": "0x105c79b74f19f93a93cc19011db62163facc1b0d484d0598b44b2959e21a9bfc",
    "signature": "0x4324bba526280e6e05cc1f7652b89ba300fc265700c2e9b6d91f0eff341c78da6f4264024a19f09b4264fa21b45a7e336a793ff149ccf5c7ad586620f54ea40e1b",
    "signer": "0x7cb443E1D882339Ce2Db89944ef44929E8E2F578",
    "userId": "343301"
  }
}