{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x0b68edb06be67fe9db84fa753e9a754cf92b8e1d36b6e3248326be038f55394f",
    "signature": "0xfe32f7fea9d79431035f42da2e717ed25448af6d2d86c6bc51e30e04900ef7f77a99be5991c416cb8f162e6584b9563541cb6fd4bbdf7cda0e6ff89d5b93381d1b",
    "signer": "0x03eBd76f03fee1b68d042AE492e5168848BEb443",
    "userId": "180170571"
  }
}