{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "37892",
    "entityType": "User",
    "nonce": "0x2c62015c01acf1d4be7a75c8df033ca54313fbd2f6059ca5b5cd23d8956f1149",
    "signature": "0x93d3ac73b6cbac1a2dae07e2ba9e1153cae857e0c0fb061da8cebb47c12f3dec0cf3683015a7db2716c5fe9d8ae173dd2ad50d0062060daef2ab5d92b6e916f21b",
    "signer": "0x97eAfE883FbF33a8b75f6f37440caFE5CC452d3f",
    "userId": "849776474"
  }
}