{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xc8d718e5c8441326539da8151c6aa48d571c24704723da16cfe17cfbe3828c8f",
    "signature": "0xe804e061a8b72512efdee97a71788a0905af672343f6cc295e6b1233581c4ab171f8a5bfc41dddcc6b7389f358ae1203a4670bd35656449849383df4297946a01c",
    "signer": "0x6268f3F36E0fe8D3E139bC6d32d7539887721848",
    "userId": "418312750"
  }
}