{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "172991",
    "entityType": "User",
    "nonce": "0xa017fc5138e8878e3a908bdb60860efdff6ed113d2f88390d36c58fc893f8439",
    "signature": "0x01f0433431b760d4dea6f1780d517e522dfc7ac9b9039a41a28f9f47f3777a4d508ced2085d9d1f058e79e103ef5a2779d8af0bc9b9162c7cd16f10c5fe8bbbe1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}