{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x3dfd754091ca607f44f47b2b532d585544b047bb3e7832cbcca3bdd1e525ef8e",
    "signature": "0x7daaeeecac469736577c6fbc664f487bd1c978aaf6d065188f92b2e1b06e923d700148e2600c36590743e0d7a49f996df0bb6741c732155cff0a9b1c1248c8fb1b",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}