{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2001065",
    "entityType": "User",
    "nonce": "0x374d22a53597497f3a58a527aa777bcae35cdcf61ddc2a8613400e86786cce5e",
    "signature": "0x6678f41602da61ca0ef48c4f339b6989b50226db38e39877e44b6d453d3a05676232562f71cb3d8924bc847e23ba2fe5fe19de6f6d2020b303c67ab6ac460b1b1c",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}