{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "136214",
    "entityType": "User",
    "nonce": "0xb5536521e165f4f540732a2786419327e476d34c2b98d5d0667c1e41c857c60b",
    "signature": "0x96853296b4ef8ff42528d6380e3cfbc3b2dc9ee118b9c84b660f1f6c241d82a7038a10b2546045e389814a30df06c96c174955cc28a28d9b58d4906e668c277e1c",
    "signer": "0x9a5c768De106BE48C39290B55c20D8C5D6A7f6bA",
    "userId": "539482786"
  }
}