{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x0244eaab93e75bd2989ed9482b2fea58f32ac715713d330865a2e6bb84448e8f",
    "signature": "0x573730fab088e0199bbc3f26e72c6da77fbf1c85212cb8747762e0902240800c4acb328ce86c888c5a448a197b4b07bb75e29fca3ee712d62e13aa3894c1abfb1c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}