{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "75120",
    "entityType": "User",
    "nonce": "0x689953fc43382bce1bcba7b0171c46a6d012288b00be20606da85f5cf0398d54",
    "signature": "0x86eaf15fffbeb156431ca46ed64c5fd3eb6558ee924d1bb0f462ea62896aeac66fc9d066f8d66472623c7b89420241bb70adac983a1207e611b17eb1550d22811c",
    "signer": "0xF6F9F433Ab5dDe3c96D63C2fFAa64b610599a410",
    "userId": "80682"
  }
}