{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "241215583",
    "entityType": "User",
    "nonce": "0x6c45753ee66e82602816dd6f00643cd95340de3e91a4734754b1c48868b75aeb",
    "signature": "0x3c0a04f45a5971e645d5bb82df5d06ef1541341013a36d5e017741d276791fe7652647f20fb2c83472e9081edfc11b6809e872994d7fe02095854cc4191383851c",
    "signer": "0x97eAfE883FbF33a8b75f6f37440caFE5CC452d3f",
    "userId": "849776474"
  }
}