{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xbe2aa103fb5f4babc35cdb98132aea2a4e894d03dddbf02fe738199b81c3c050",
    "signature": "0xaee4cd5b8be64cd1201c2a03ec691893070b4d13bceced1672a755269c9bbc3d7cdbc79fe0c9c73b9ee0a4e2ea636289d24ec35dda9955418f3a790b13d214111c",
    "signer": "0x303fD6F7668Ad0AD901434B85eF391E249785A2C",
    "userId": "179777073"
  }
}