{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "991417453",
    "entityType": "User",
    "nonce": "0x9fd4c6089164aefa06ab630d09220582be1447b311985820faea79a44b2b5cce",
    "signature": "0x7442ad061056c05d5a26053eeb457b9b3e58107c6d2799027913bf33a79fdbd65527080b917c489e802afb110bc35f38a443df13dbf3c38a807aa934c0c979fe1b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}