{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "84072274",
    "entityType": "User",
    "nonce": "0x4f2476887de83affe80210b8b4b81be3725578bcef39b31bca6d18cbd779fd7a",
    "signature": "0xb0cb59fdf7a0e73d58c61fa62ea8fd9b019153d3a978d493dfa976456e9f18c7095b2067d7ff4e36c148ee7b8e5c561c9325601925c58d6fa8f74a96920c69e11b",
    "signer": "0x742Fff9be20F80Ce7285c8Ab12B9018Ef3Cf14F0",
    "userId": "111467392"
  }
}