{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50424",
    "entityType": "User",
    "nonce": "0xa9a635b395a3aa0173a3a1674c322c8cf314b035ec58b617d1a6179fe36042b9",
    "signature": "0xff3d4101ff97d423a285d0021b88a18006671722be968be16362b80797ab7fb62ec0e8130ad2b0101a08b7af98959b5317903c84423c5c4d7aabb13586c3ace91b",
    "signer": "0x138B6ac6EcE2bea5eAb147DBdDe9E1a09717a3b3",
    "userId": "736985209"
  }
}