{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "335443",
    "entityType": "User",
    "nonce": "0x23a5a0798c320ac58f4bba968304d533c8a423f2a13cedb4421d577521766fc2",
    "signature": "0xbbe1543b36d2b0b7d81ab1421521161abec8c3005d08727bfa1c87e9e23ef7b62e6e94cbf7e0fe760f8b4aeb649ad61fca2b87296aa4af289d80656e963ffbe81c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}