{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "910778788",
    "entityType": "User",
    "nonce": "0x4d1fd5d41f6b02788b2679310ead0b713608335e11f01dacc2a3c693e4c625c2",
    "signature": "0x940a046fe798c8067a982f094c6d2cf78de9b896cb0f7cf250a6105fae2093bc425b74890d87a164cf976305596e9a6a9713b760f53dabb90037d4d069f09c291c",
    "signer": "0x019c1Ea6f901A4f7AeAa1daD2842a34Fdf9A9FB2",
    "userId": "798348033"
  }
}