{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "40758",
    "entityType": "User",
    "nonce": "0x345e070ddf5000f53d7d8090dc23d77d7b7380377965fe459c13429c1138dd3e",
    "signature": "0x28ab1cd6b7172d49cb7b26ee5eeddd8b1957d12a125dc9ff919045a6140b482c668b118af0f4c0b4044a218a6fbcb4d2e956c56b410017d88cd61653e6fea6101c",
    "signer": "0x97eAfE883FbF33a8b75f6f37440caFE5CC452d3f",
    "userId": "849776474"
  }
}