{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77508",
    "entityType": "User",
    "nonce": "0x1b595024d91cbb4f87412d1c98cb33a494fd17b8bf413c0036fc88493acfff80",
    "signature": "0x63a8375f9355f28229b4ec4980a70f7aaef03c058f65a8f60b876305de47bfb80a4aa099499fa5c7cbe9067f65b88b2a68970e3da25a72e98318b70a936090e31b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}