{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "110939",
    "entityType": "User",
    "nonce": "0xf4583bd593efe64f196ac16ea6f33c2f17b8bc05c7fd7913261f102f8e5f38f5",
    "signature": "0xdf90d5bfab8d3817be219cb0013594cf3101f171b10d93dbdffa0a8deea9fa752e243f869686d2e81e739d42b713ca54ef67a537d7ecdff739d5c7d37802dd4f1c",
    "signer": "0xc5c542a604880bF9049870Ee92c9CA4594Ed3129",
    "userId": "277347377"
  }
}