{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "937299109",
    "entityType": "User",
    "nonce": "0x09e1caa0f79c44374c4589f41894bbbe7c399f3bfe198fcff3e0bebb92da07e5",
    "signature": "0x61fa3a163a53eeb8d6a228232d0aaefa39a1c1260d706fd670eaaf1ba26735295292e755c85144bcc16a7ef613c93e31f6fb4ad3c856940db0bb00977f66a2e31c",
    "signer": "0xb10C19C3B0cAC7fCec2A27C480820d724C82840d",
    "userId": "341801"
  }
}